Systematics of begonias
This is about the systematics of the plant genus Begonia ( Begonia L.). This genus contains up to a kind of all kinds of family of begonias plants or begoniaceae (Begoniaceae), for the family contains just another genre: Hillebrandia Olive. with the only species Hillebrandia sandwicensis Oliv. Synonyms of Begonia are: Begoniella Oliv. , Casparya Klotzsch , Diploclinium Lindl. , Gireoudia Klotzsch , Gurltia Klotzsch , Lepsia Klotzsch , Mezierea Gaudich. , Mitscherlichia Klotzsch , Pritzelia Klotzsch , Semibegoniella C.EC fish. , Symbegonia Warb. , Tittlebachia Klotzsch , Trendelenburgia Klotzsch , Wageneria Klotzsch .
Subgenera
The genus Begonia ( Begonia ) is divided into 65 sections :
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species
There are 1400 to 1500 species in the genus Begonia ( Begonia ) (sections in brackets) (as of October 2006):
A.
- Begonia abbottii Urb. (Section Begonia )
- Begonia aberrans Irmsch. (Section Bracteibegonia )
- Begonia aborensis Dunn (Section Sphenanthera )
- Begonia acaulis Merr. & LMPerry (Section Diploclinium )
- Begonia acerifolia Kunth (Section Knesebeckia )
- Begonia aceroides Irmsch. (Section Diploclinium )
- Begonia acetosa Vell. ( Pritzelia Section)
- Begonia acetosella Craib (Syn .: Begonia tetragona Irmsch.) (Sect.Sphenanthera)
- Begonia acida Vell. ( Pritzelia Section)
- Begonia aconitifolia A.DC. (Section Knesebeckia )
- Begonia acuminatissima Merr. (Section Diploclinium )
- Begonia acutifolia Jacq. (Section Begonia )
- Begonia acutiloba Liebm. (Section Weilbachia )
- Begonia acutitepala KYGuan & DKTian (Section Diploclinium )
- Begonia adenodes Irmsch. (Section Petermannia )
- Begonia adenopoda Lem. (Section Lauchea )
- Begonia adenostegia Stapf (Section Platycentrum )
- Begonia admirabilis Brade (section Begonia )
- Begonia adpressa Sosef (Section Loasibegonia )
- Begonia adscendens CBClarke (Section Diploclinium )
- Begonia aenea Linden & André (Section Platycentrum )
- Begonia aequata A. Gray (section Petermannia )
- Begonia aequatorialis LBSm. & BGSchub. (Section Eupetalum )
- Begonia aequilateralis Irmsch. (Section Platycentrum )
- Begonia aeranthos LBSm. & BGSchub. (Section Wageneria )
- Begonia affinis Merr. (Section Petermannia )
- Begonia aggeloptera N. Hallé (Section Scutobegonia )
- Begonia agusanensis Merr. (Section Petermannia )
- Begonia alba Merr. (Section Diploclinium )
- Begonia albidula Brade (Section Begonia )
- Begonia albobracteata Ridl. (Section Petermannia )
- Begonia albococcinea Hook. (Section Reichenheimia )
- Begonia albomaculata C.DC. ex Huber (Section Cyathocnemis )
- Begonia albopicta W.Bull (Section Gaerdtia )
- Begonia alcarrasica J.Sierra (section Begonia )
- Begonia alchemilloides Meisn. ex A.DC. (Section Begonia )
- Begonia alemanii Brade (Section Doratometra )
- Begonia algaia LBSm. & Wassh. (Section Platycentrum )
- Begonia alice-clarkiae Ziesenh. (Section Weilbachia )
- Begonia aliciae CEC fish. ( Parvibegonia Section)
- Begonia alicida CBClarke (Section Alicida )
- Begonia almedana Burt-Utley & Utley (Section Weilbachia )
- Begonia alnifolia A.DC. (Section Ruizopavonia )
- Begonia alpina LBSm. & Wassh. (Section Platycentrum )
- Begonia altamiroi Brade ( Pritzelia Section)
- Begonia altissima Ridl. (Section Petermannia )
- Begonia altoperuviana A.DC. (Section Cyathocnemis )
- Begonia alvarezii Merr. (Section Diploclinium )
- Begonia alveolata TTYu (Syn .: Begonia pingbienensis CYWu) (Section Diploclinium )
- Begonia amabilis Linden (Section Platycentrum )
- Begonia amphioxus Sands ( Petermannia Section)
- Begonia ampla Hook. f. (Section Squamibegonia )
- Begonia anaimalaiensis Bedd.
- Begonia andamensis Parish ex CBClarke ( Parvibegonia Section)
- Begonia andina Rusby ( Hydristyles Section)
- Begonia androrangensis Humbert ex Bosser & Keraudren (Section Erminea )
- Begonia anemoniflora Irmsch. (Section Eupetalum )
- Begonia angilogensis Merr.
- Begonia angolensis Irmsch. (Section Augustia )
- Begonia angraensis Brade (Section Trachelocarpus )
- Begonia angulata Vell. ( Pritzelia Section)
- Begonia angustilimba Merr. (Section Petermannia )
- Begonia angustiloba A.DC. (Section Quadriperigonia )
- Begonia anisoptera Merr. (Section Diploclinium )
- Begonia anisosepala Hook. f. (Section Scutobegonia )
- Begonia anjuanensis Humbert ex Keraudren & Bosser ( Quadrilobaria Section)
- Begonia ankaranensis Humbert ex Keraudren & Bosser (Section Quadrilobaria )
- Begonia annobonensis A.DC. (Section Sexalaria )
- Begonia annulata K. Koch (Section Platycentrum )
- Begonia anodifolia A.DC. (Section Quadriperigonia )
- Begonia antaisaka Humbert ex Bosser & Keraudren
- Begonia anthonyi Kiev (Section Petermannia )
- Begonia antongilensis Humbert ex Bosser & Keraudren (Section Erminea )
- Begonia antsingyensis Humbert ex Bosser & Keraudren ( Quadrilobaria Section)
- Begonia antsiranensis Aymonin & Bosser (Section Quadrilobaria )
- Begonia apayaoensis Merr. (Section Petermannia )
- Begonia apparicioi Brade ( Pritzelia Section)
- Begonia aptera flower (section Sphenanthera )
- Begonia arborescens Raddi ( Pritzelia Section)
- Begonia arboreta YMShui ( Diploclinium Section)
- Begonia archboldiana Merr. & LMPerry
- Begonia areolata Miq. (Section Platycentrum )
- Begonia arfakensis (Gibbs) LLForrest & Hollingsw. (Syn .: Symbegonia arfakensis Gibbs) (Section Symbegonia )
- Begonia argentea Linden (Section Platycentrum )
- Begonia aridicaulis Ziesenh. (Section Weilbachia )
- Begonia arnottiana (Wight) A.DC. (Syn .: Diploclinium arnottianum Wight) (Section Diploclinium )
- Begonia arrogans Irmsch. (Section Knesebeckia )
- Begonia articulata Irmsch. (Section Petermannia )
- Begonia artior Irmsch. (Section Petermannia )
- Begonia asperifolia Irmsch. (Section Diploclinium )
- Begonia aspleniifolia Hook. f. ( Filicibegonia Section)
- Begonia assurgens Irmsch. (Section Weilbachia )
- Begonia asympeltata LBSm. & Wassh. (Section Knesebeckia )
- Begonia atricha (Miq.) A.DC. (Syn .: Diploclinium atrichum Miq.) (Section Petermannia )
- Begonia atroglandulosa Sosef (Section Loasibegonia )
- Begonia augustae Irmsch. (Section Petermannia )
- Begonia augustinei Hemsl. (Section Platycentrum )
- Begonia auriculata Hook. f. ( Filicibegonia Section)
- Begonia austrotaiwanensis YKChen & CIPeng (Section Platycentrum )
- Begonia awongii Sands
- Begonia axillaris Ridl. (Section Petermannia )
- Begonia axillipara Ridl. (Section Petermannia )
- Begonia azuensis Urb. & Ekman (Section Begonia )
B.
- Begonia baccata Hook. f. (Section Baccabegonia )
- Begonia bagotiana Humbert ex Keraudren & Bosser ( Quadrilobaria Section)
- Begonia bahakensis Sands
- Begonia bahiensis A.DC. ( Pritzelia Section)
- Begonia balansae C.DC. (Section Begonia )
- Begonia balansana Gagnep. (Syn .: Begonia handelii Irmsch., Begonia xinyiensis TCKu) (Section Sphenanthera )
- Begonia balmisiana Bálmis ( Quadriperigonia Section)
- Begonia banaoensis J.Sierra (section Begonia )
- Begonia bangii Kuntze (section Ruizopavonia )
- Begonia baramensis Merr. (Section Petermannia )
- Begonia barbellata Ridl. (Section Petermannia )
- Begonia barkeri Knowles & West c. (Section Gireoudia )
- Begonia barkleyana LBSm. (Section Knesebeckia )
- Begonia baronii Baker ( Nerviplacentaria Section)
- Begonia barrigae LBSm. & BGSchub. (Section Ruizopavonia )
- Begonia bartlettiana Merr. & LMPerry (Section Diploclinium )
- Begonia baturongensis Kiev ( Petermannia section)
- Begonia baumannii Lemoine (Section Eupetalum )
- Begonia baviensis Gagnep. (Section Platycentrum )
- Begonia beccariana Ridl. (Section Platycentrum )
- Begonia beccarii Warb. (Section Diploclinium )
- Begonia beddomei Hook. f. (Section Platycentrum )
- Begonia bekopakensis Aymonin & Bosser (Section Quadrilobaria )
- Begonia bequaertii Robyns & Lawalrée ( Rostrobegonia Section)
- Begonia berhamanii Kiev ( Petermannia Section)
- Begonia bernieri A.DC. (Section Quadrilobaria )
- Begonia beryllae Ridl. (Section Petermannia )
- Begonia beslerifolia Schott (section Ruizopavonia )
- Begonia betsimisarka Humbert ex Bosser & Keraudren (Section Erminea )
- Begonia bettinae Ziesenh. (Section Gireoudia )
- Begonia bidentata Raddi ( Pritzelia section )
- Begonia biflora TCKu (Section Coelocentrum )
- Begonia bifolia Ridl. (Section Petermannia )
- Begonia bifurcata LBSm. & BG thrust. (Section Knesebeckia )
- Begonia biguassuensis Brade ( Pritzelia section )
- Begonia biliranensis Merr. (Section Diploclinium )
- Begonia binuangensis Merr. (Section Petermannia )
- Begonia bipinnatifida JJSm. (Section Petermannia )
- Begonia biserrata Lindl. (Section Quadriperigonia )
- Begonia bissei J.Sierra (Section Begonia )
- Begonia bogneri Ziesenh. (Section Erminea )
- Begonia boisiana Gagnep.
- Begonia boissieri A.DC. (Section Quadriperigonia )
- Begonia boiviniana A.DC. (Section Quadrilobaria )
- Begonia boliviensis A.DC. (Section Barya )
- Begonia bolleana Urb. & Ekman (Section Begonia )
- Begonia bolsteri Merr. (Section Petermannia )
- Begonia bonii Gagnep. (Section Coelocentrum )
- Begonia bonitoensis Brade ( Pritzelia section )
- Begonia bonthainensis Hemsl. (Section Petermannia )
- Begonia bonus-henricus JJ de Wilde (Section Squamibegonia )
- Begonia boraceiensis Handro ( Pritzelia section )
- Begonia borneensis A.DC. (Section Petermannia )
- Begonia bosseri Keraudren (section Erminea )
- Begonia boucheana (Klotzsch) A.DC. (Syn .: Gurltia boucheana Klotzsch) ( Pritzelia Section)
- Begonia bowerae Ziesenh. (Section Gireoudia )
- Begonia brachybotrys Merr. & LMPerry ( Petermannia Section)
- Begonia brachyclada Urb. & Ekman (Section Knesebeckia )
- Begonia brachypoda OESchulz (Section Begonia )
- Begonia brachyptera Merr. & LMPerry ( Petermannia Section)
- Begonia bracteata Jack (Section Bracteibegonia )
- Begonia bracteosa A.DC. (Section Cyathocnemis )
- Begonia bradei Irmsch. ( Pritzelia Section)
- Begonia brandbygeana LBSm. & Wassh. (Section Knesebeckia )
- Begonia brandisiana Kurz ( Reichenheimia Section)
- Begonia brassii Merr. & LMPerry (Section Diploclinium )
- Begonia breedlovei Burt-Utley (Section Gireoudia )
- Begonia brevibracteata Kupicha ( Augustia Section)
- Begonia brevicaulis A.DC. ( Parvibegonia Section)
- Begonia brevicordata LBSm. & BGSchub. (Section Cyathocnemis )
- Begonia brevicyma C.DC. (Section Weilbachia )
- Begonia brevilobata Irmsch. ( Pritzelia Section)
- Begonia brevipes Merr. (Section Petermannia )
- Begonia brevipetala (A.DC.) Warb. (Syn .: Casparya brevipetala A.DC.) (Section Casparya )
- Begonia brevirimosa Irmsch. (Section Petermannia )
- Begonia brevisetulosa CYWu (Section Platycentrum )
- Begonia bridgesii A.DC. ( Hydristyles section)
- Begonia broussonetiifolia A.DC. (Section Gireoudia )
- Begonia bruneiana Sands
- Begonia buchtienii Irmsch. (Section Ruizopavonia )
- Begonia buddleiifolia A.DC. (Section Pilderia )
- Begonia bufoderma LBSm. & Wassh.
- Begonia bui-montana Yamam.
- Begonia bulbillifera Link & Otto (Section Quadriperigonia )
- Begonia bullata Urb. & Ekman (Section Begonia )
- Begonia burbidgei Stapf (section Petermannia )
- Begonia burkillii Dunn ( Sphenanthera Section)
- Begonia burle-marxii Brade (Section Donaldia )
- Begonia burmensis LB Sm. & Wassh. (Section Lauchea )
- Begonia buseyi Burt-Utley (Section Gireoudia )
C.
Begonia corallina hybrid 'President Carnot'
- Begonia cacauicola LBSm. ex Wassh. (Section Begonia )
- Begonia caespitosa Jack (Section Diploclinium )
- Begonia calcarea Ridl. (Section Diploclinium )
- Begonia calcicola Merr. (Section Diploclinium )
- Begonia calderonii Standl. (Section Weilbachia )
- Begonia calliantha Merr. & LM Perry (Section Petermannia )
- Begonia campos-portoana Brade ( Pritzelia Section)
- Begonia canarana Miq. ( Parvibegonia Section)
- Begonia candollei Ziesenh. (Section Parietoplacentalia )
- Begonia capanemae Brade ( Pritzelia section )
- Begonia capillipes Gilg (Section Tetraphila )
- Begonia capituliformis Irmsch. (Section Petermannia )
- Begonia caraguatatubensis Brade ( Pritzelia section )
- Begonia cardiocarpa Liebm. (Section Gireoudia )
- Begonia cardiophora Irmsch. (Section Reichenheimia )
- Begonia cariocana Brade ex LBSm. & Wassh. ( Pritzelia Section)
- Begonia carletonii Standl. (Section Weilbachia )
- Begonia carnosa Teijsm. & Binn. (Section Petermannia )
- Begonia carnosula Ridl. (Section Diploclinium )
- Begonia carolineifolia rule (Section Gireoudia )
- Begonia carpinifolia Liebm. (Section Ruizopavonia )
- Begonia carrieae Ziesenh. (Section Gireoudia )
- Begonia casiguranensis Quisumb. & Merr. (Section Petermannia )
- Begonia castaneifolia Otto & A.Dietr.
- Begonia castilloi Merr. (Section Diploclinium )
- Begonia catharinensis Brade ( Pritzelia Section)
- Begonia cathayana Hemsl. (Section Platycentrum )
- Begonia cathcartii Hook. f. & Thomson (Section Platycentrum )
- Begonia caudata Merr. (Section Petermannia )
- Begonia cauliflora Sands ( Petermannia Section)
- Begonia cavaleriei H.Lév. (Section Diploclinium )
- Begonia cavallyensis A. Chev. (Section Tetraphila )
- Begonia cavum Ziesenh. (Section Knesebeckia )
- Begonia cebadillensis Houghton ex LBSm. & BGSchub. (Section Knesebeckia )
- Begonia cehengensis TCKu (Section Diploclinium )
- Begonia celebica Irmsch. (Section Petermannia )
- Begonia cerasiphylla LBSm. & Wassh.
- Begonia ceratocarpa SHHuang & YMShui (Section Sphenanthera )
- Begonia chaetocarpa Kuntze (section Ruizopavonia )
- Begonia chiapensis Burt-Utley (Section Gireoudia )
- Begonia chingii Irmsch. (Section Reichenheimia )
- Begonia chishuiensis TCKu (Section Platycentrum )
- Begonia chitoensis TSLiu & MJLai (Section Platycentrum )
- Begonia chivatoa Ziesenh. (Section Gireoudia )
- Begonia chlorandra Sands
- Begonia chlorolepis LBSm. & BGSchub. ( Casparya section)
- Begonia chloroneura P. Wilkie & Sands (Section Diploclinium )
- Begonia chlorosticta Sands (Section Petermannia )
- Begonia chuniana CYWu (Section Platycentrum )
- Begonia ciliifera Merr. (Section Petermannia )
- Begonia ciliobracteata Warb. (Section Scutobegonia )
- Begonia cincinnifera Irmsch. (Section Petermannia )
- Begonia cinnabarina Hook. (Section Eupetalum )
- Begonia circumlobata Hance (Section Platycentrum )
- Begonia cirrosa LBSm. & Wassh. (Section Coelocentrum )
- Begonia cladocarpoides Humbert ex Aymonin & Bosser (Section Nerviplacentaria )
- Begonia clarkei Hook. f. (Section Eupetalum )
- Begonia clavicaulis Irmsch. (Section Diploclinium )
- Begonia clemensiae Merr. & LMPerry ( Petermannia Section)
- Begonia clypeifolia Hook. f. (Section Scutobegonia )
- Begonia coccinea Hook. ( Pritzelia Section)
- Begonia cognata Irmsch. (Section Petermannia )
- Begonia collaris Brade ( Pritzelia Section)
- Begonia collina Irmsch. (Section Platycentrum )
- Begonia collisiae Merr. (Section Diploclinium )
- Begonia colombiana LBSm. & BGSchub. ( Casparya section)
- Begonia colorata Warb. (Section Diploclinium )
- Begonia comata Kuntze ( Warburgina section)
- Begonia comorensis Warb. (Section Mezierea )
- Begonia compacticaulis Irmsch. (Section Knesebeckia )
- Begonia compta W.Bull ( Pritzelia Section)
- Begonia concanensis A.DC. (Section Diploclinium )
- Begonia conchifolia A.Dietr. (Section Gireoudia )
- Begonia concinna Schott ( Pritzelia Section)
- Begonia confinis LBSm. & Wassh. (Section Lepsia )
- Begonia confusa LBSm. & BGSchub. (Section Weilbachia )
- Begonia congesta Ridl. (Section Petermannia )
- Begonia consanguinea Merr. (Section Petermannia )
- Begonia consobrina Irmsch. (Section Ruizopavonia )
- Begonia contracta Warb. (Section Petermannia )
- Begonia convallariodora C.DC. (Section Ruizopavonia )
- Begonia convolvulacea (Klotzsch) A.DC. (Syn .: Wageneria convolvulacea Klotzsch) (Section Wageneria )
- Begonia cooperi C.DC. ex JMCoult. (Section Ruizopavonia )
- Begonia copelandii Merr. (Section Diploclinium )
- Begonia copeyana C.DC. (Section Weilbachia )
- Begonia coptidifolia HGYe et al. (Section Platycentrum )
- Begonia coptidimontana CYWu (Section Diploclinium )
- Begonia corallina Carrière (Section Gaerdtia )
- Begonia cordata Vell. ( Pritzelia Section)
- Begonia cordifolia (Wight) Thwaites (Syn .: Diploclinium cordifolium Wight) (Section Diploclinium )
- Begonia coriacea Hassk. (Section Reichenheimia )
- Begonia corneri Kiev ( Reichenheimia section)
- Begonia cornitepala Irmsch. ( Pritzelia Section)
- Begonia cornuta LBSm. & BGSchub. ( Casparya section)
- Begonia coronensis Merr. (Section Diploclinium )
- Begonia corredorana C.DC. (Section Gireoudia )
- Begonia corzoensis Ziesenh. (Section Gireoudia )
- Begonia coursii Humbert ex Keraudren (Section Nerviplacentaria )
- Begonia cowellii Nash (section Begonia )
- Begonia crassicaulis Lindl. (Section Gireoudia )
- Begonia crateris Exell (Section Baccabegonia )
- Begonia crenata Dryand. ( Parvibegonia Section)
- Begonia crinita olive. ex Hook. f. (Section Knesebeckia )
- Begonia crispipila Elmer (Section Petermannia )
- Begonia crispula Brade ( Pritzelia section )
- Begonia cristata Warb. ex LBSm. & Wassh. (Section Sphenanthera )
- Begonia cristobalensis Ziesenh. (Section Gireoudia )
- Begonia croatii Burt-Utley (Section Gireoudia )
- Begonia cryptocarpa LBSm. & BGSchub. (Section Cyathocnemis )
- Begonia cuatrecasasiana LBSm. & BGSchub. (Section Ruizopavonia )
- Begonia cubensis Hassk. (Section Begonia )
-
Begonia cucullata Willd. (Section Begonia ):
- Begonia cucullata var. Arenosicola (C.DC.) LBSm. & BGSchub. (Syn .: Begonia subcucullata var. Arenosicola C.DC.) (Section Begonia )
- Begonia cucullata var. Cucullata (Syn .: Begonia cucullata var. Hookeri (A.DC.) LBSm. & BGSchub., Nom. Illeg., Begonia semperflorens Link & Otto, Begonia semperflorens var. Hookeri A.DC.) (section Begonia )
- Begonia cucullata var. Spatulata (G.Lodd.) Golding (Syn .: Begonia spatulata G.Lodd.) (Section Begonia )
- Begonia cucurbitifolia CYWu (Section Platycentrum )
- Begonia cuernavacensis Ziesenh. (Section Knesebeckia )
- Begonia cumingiana A.DC. (Section Petermannia )
- Begonia cumingii A. Gray (Section Petermannia )
- Begonia cuneatifolia Irmsch. (Section Petermannia )
- Begonia curtii LBSm. & BGSchub. ( Pritzelia Section)
- Begonia curtisii Ridl. ( Parvibegonia Section)
- Begonia cyanescens Sands
- Begonia cyathophora Poepp. & Endl. (Section Cyathocnemis )
- Begonia cylindrata LBSm. & BGSchub. (Section Knesebeckia )
- Begonia cylindrica DRLiang & XXChen (Section Leprosae )
- Begonia cymbalifera LBSm. & BGSchub. (Section Ruizopavonia )
D.
- Begonia dasycarpa A.DC. (Section Donaldia )
- Begonia davidsoniae Standl. ex LBSm. & BGSchub. (Section Weilbachia )
- Begonia davisii Hook. f. (Section Eupetalum )
- Begonia daweishanensis SHHuang & YMShui (Section Platycentrum )
- Begonia daxinensis TCKu (Section Coelocentrum )
- Begonia dealbata Liebm. (Section Quadriperigonia )
- Begonia debilis King ( Parvibegonia Section)
- Begonia decandra Pav. Ex A. DC. (Section Begonia )
- Begonia decaryana Humbert ex Keraudren & Bosser (Section Quadrilobaria )
- Begonia declinata Vell. ( Pritzelia Section)
- Begonia decora Stapf (Section Platycentrum )
- Begonia delicatula Parish ex CBClarke ( Apterobegonia section)
- Begonia deliciosa Linden ex Fotsch (Section Platycentrum )
- Begonia demissa Craib ( Parvibegonia Section)
- Begonia densifolia Irmsch. ( Pritzelia Section)
- Begonia densiretis Irmsch. (Section Petermannia )
- Begonia dentatiloba A.DC. ( Pritzelia Section)
- Begonia dentatobracteata CYWu (Section Diploclinium )
- Begonia denticulata Kunth (Section Cyathocnemis )
- Begonia depauperata Schott (Section Trachelocarpus )
- Begonia descoleana LBSm. & BGSchub. (Section Begonia )
- Begonia dewildei Sosef (Section Scutobegonia )
- Begonia diadema Linden ex Rodigas ( Platycentrum section)
- Begonia dichotoma Jacq. ( Pritzelia Section)
- Begonia dichroa Sprague (Section Gaerdtia )
- Begonia dielsiana E. Pritz. (Section Platycentrum )
- Begonia dietrichiana Irmsch. ( Pritzelia Section)
- Begonia diffusa LBSm. & BGSchub. ( Casparya section)
- Begonia diffusiflora Merr. & LMPerry ( Petermannia Section)
- Begonia digitata Raddi (Section Scheidweileria )
- Begonia digyna Irmsch. (Section Platycentrum )
- Begonia dioica Buch.-Ham. ex. D.Don (Syn .: Begonia amoena Wall. Ex A.DC.) (Section Diploclinium )
- Begonia dipetala Graham (Section Haagea )
- Begonia discrepans Irmsch. (Section Platycentrum )
- Begonia discreta Craib ( Parvibegonia Section)
- Begonia divaricata Irmsch. (Section Bracteibegonia )
- Begonia diversistipulata Irmsch. ( Casparya section)
- Begonia diwolii Kiev ( Diploclinium Section)
- Begonia djamuensis Irmsch. (Section Petermannia )
- Begonia dodsonii LBSm. & Wassh. (Section Gobenia )
- Begonia dolichotricha Merr. (Section Petermannia )
- Begonia domingensis A.DC. (Section Begonia )
- Begonia dominicalis A.DC. (Section Begonia )
- Begonia donkelaariana Lem.
- Begonia dosedlae Gilli ( Petermannia Section)
- Begonia dregei Otto & A.Dietr. (Syn .: Begonia natalensis Hook., Begonia richardsiana T. Moore) (Section Augustia )
- Begonia dressleri Burt-Utley (Section Gireoudia )
- Begonia dryadis Irmsch. (Section Platycentrum )
- Begonia dubia Vell.
- Begonia duclouxii Gagnep. (Section Platycentrum )
- Begonia dugandiana LBSm. & BGSchub. (Section Ruizopavonia )
- Begonia duncan-thomasii Sosef (Section Loasibegonia )
- Begonia dux CBClarke ( Platycentrum section)
E.
![](https://upload.wikimedia.org/wikipedia/commons/thumb/d/da/Begonia_exotica_%28petals%29_-_Botanical_Garden_Cologne.jpg/220px-Begonia_exotica_%28petals%29_-_Botanical_Garden_Cologne.jpg)
- Begonia eberhardtii Gagnep. (Section Petermannia )
- Begonia ebolowensis Engl. (Section Tetraphila )
-
Begonia echinosepala rule ( Pritzelia section ):
- Begonia echinosepala var. Echinosepala (section Pritzelia )
- Begonia echinosepala var. Elongatifolia Irmsch. ( Pritzelia Section)
- Begonia eciliata OESchulz (Section Begonia )
- Begonia edanoi Merr. (Section Petermannia )
- Begonia edmundoi Brade (Section Gaerdtia )
- Begonia edulis Lév. (Section Platycentrum )
- Begonia egleri Brade (Section Donaldia )
- Begonia egregia NEBr. (Syn .: Begonia quadrilocularis Brade) (Section Tetrachia )
- Begonia eiromischa Ridl. (Section Ridleyella )
- Begonia ekmanii Houghton ex. LBSm. & BGSchub. (Section Begonia )
- Begonia elaeagnifolia Hook. f. (Section Tetraphila )
- Begonia elatostematoides Merr. (Section Petermannia )
- Begonia elatostemma Ridl. (Section Petermannia )
- Begonia elatostemmoides Hook. f. ( Filicibegonia Section)
- Begonia eliasii Warb. (Section Petermannia )
- Begonia elmeri Merr. (Section Diploclinium )
- Begonia emeiensis CMHu ex CYWu & TCKu (Section Platycentrum )
- Begonia eminii Warb. (Section Tetraphila )
- Begonia engleri Gilg ( Rostrobegonia Section)
- Begonia epibaterium Mart. ex A.DC. (Section Wageneria )
- Begonia epipsila Brade ( Pritzelia section )
- Begonia erecta Vell. ( Pritzelia Section)
- Begonia erectocaulis Sosef (Section Scutobegonia )
- Begonia erectotricha Sosef (Section Scutobegonia )
- Begonia erminea L'Hér. (Section Erminea )
- Begonia erosa flower (section Platycentrum )
- Begonia erythrocarpa A.DC. (Section Knesebeckia )
- Begonia erythrogyna Sands (Section Petermannia )
- Begonia × erythrophylla Neumann (= B. hydrocotylifolia × B. manicata ) (Section Gireoudia )
- Begonia esculenta Merr. (Section Petermannia )
- Begonia estrellensis C.DC. (Section Ruizopavonia )
- Begonia euryphylla LBSm. ex Wassh. ( Pritzelia Section)
- Begonia eutricha Sands
- Begonia everettii Merr. (Section Petermannia )
- Begonia exalata C.DC. (Section Knesebeckia )
- Begonia exigua Irmsch. (Section Begonia )
- Begonia exilis OESchulz (Section Begonia )
- Begonia extensa LBSm. & BGSchub. (Section Ruizopavonia )
- Begonia extranea LBSm. & BGSchub. (Section Knesebeckia )
F.
- Begonia fabulosa LBSm. & Wassh.
- Begonia fagifolia fish. (Section Wageneria )
- Begonia falcifolia Hook. f. ( Pritzelia Section)
- Begonia faliciloba Liebm. (Section Knesebeckia )
- Begonia fasciculata Jack (section Petermannia )
- Begonia fasciculiflora Merr. (Section Petermannia )
- Begonia faustinoi Burt-Utley & Utley (Section Weilbachia )
- Begonia fellereriana Irmsch. ( Pritzelia Section)
- Begonia fenicis Merr. (Section Diploclinium )
- Begonia fernaldiana LBSm. & BGSchub. (Section Knesebeckia )
- Begonia fernandoi-costae Irmsch. ( Pritzelia Section)
- Begonia ferramica N.Hallé (Section Scutobegonia )
- Begonia ferruginea L. f. ( Casparya section)
- Begonia festiva Craib (Section Diploclinium )
- Begonia fibrosa CBClarke ( Reichenheimia Section)
- Begonia fiebrigii C.DC. ( Pritzelia Section)
- Begonia filibracteosa Irmsch. (Section Petermannia )
- Begonia filiformis Irmsch. (Section Coelocentrum )
- Begonia filipes Benth. (Section Doratometra )
- Begonia fimbriata Liebm. (Section Weilbachia )
- Begonia fimbristipula Hance (Section Diploclinium )
- Begonia fischeri cabinet (Syn .: Begonia patula auct.) (Section Begonia )
- Begonia fissistyla Irmsch. ( Hydristyles section)
- Begonia flacca Irmsch. (Section Petermannia )
- Begonia flaccidissima Kurz ( Parvibegonia Section)
- Begonia flagellaris H.Hara (Section Diploclinium )
- Begonia flaviflora H. Hara (Section Platycentrum )
- Begonia flexicaulis Ridl. (Section Petermannia )
- Begonia flexula Ridl. (Section Petermannia )
- Begonia floccifera Bedd. (Section Reichenheimia )
- Begonia fluminensis Brade ( Pritzelia section )
-
Begonia foliosa Kunth (Section Lepsia ):
- Begonia foliosa var. Foliosa (section Lepsia )
- Begonia foliosa var. Major (LBSm.) Dorr (Section Lepsia )
- Begonia foliosa var. Microphylla (Klotzsch) Dorr (Syn .: Begonia microphylla A.DC., Lepsia microphylla Klotzsch) (section Lepsia )
- Begonia foliosa var. Miniata (Planch. & Linden) LBSm. & BGSchub. (Syn .: Begonia fuchsioides Hook., Begonia miniata Planch. & Linden) (Section Lepsia )
- Begonia fonsecae Standl. (Section Gireoudia )
- Begonia forbesii King ( Reichenheimia Section)
- Begonia fordii Irmsch. (Section Diploclinium )
- Begonia forgetiana Hemsl. ( Pritzelia Section)
- Begonia formosana (Hayata) Masam. (Syn .: Begonia laciniata var. Formosana Hayata, Begonia tarokoensis MJLai) (section Platycentrum )
- Begonia formosissima Sandwith ( Casparya section)
- Begonia forrestii Irmsch. (Section Platycentrum )
- Begonia foveolata Irmsch. (Section Platycentrum )
- Begonia foxworthyi Burkill ex Ridl. (Section Reichenheimia )
- Begonia francisiae Ziesenh. (Section Weilbachia )
- Begonia francoisii Guillaumin (Section Quadrilobaria )
- Begonia fraseri Kiev ( Platycentrum section)
- Begonia friburgensis Brade ( Pritzelia section )
- Begonia froebelii A.DC. (Section Eupetalum )
- Begonia fruticella Ridl. (Section Petermannia )
- Begonia fruticosa (Klotzsch) A.DC. (Syn .: Trendelenburgia fruticosa Klotzsch) ( Trendelenburgia section)
- Begonia fuchsiiflora (A.DC.) AIBaranov & FABarkley (Syn .: Casparya fuchsiiflora A.DC.) (Section Casparya )
- Begonia fuchsioides Hook.
- Begonia fulgens Lemoine (Section Eupetalum )
- Begonia fulvosetulosa Brade (Section Trachelocarpus )
- Begonia fulvovillosa Warb. (Syn .: Symbegonia fulvovillosa (Warb.) Warb.) (Section Symbegonia )
- Begonia furfuracea Hook. f. (Section Tetraphila )
- Begonia fusca Liebm. (Syn .: Begonia maxima hort. Ex A.DC.) (Section Gireoudia )
- Begonia fuscisetosa Sands
- Begonia fuscocaulis Brade ( Pritzelia section )
- Begonia × fuscomaculata AELange (= B. heracleifolia × B. strigillosa ) (Section Gireoudia )
- Begonia fusialata Warb. (Section Tetraphila )
- Begonia fusibulba C.DC. (Section Quadriperigonia )
- Begonia fusicarpa Irmsch. (Section Tetraphila )
- Begonia fusocaulis Brade ( Pritzelia section )
G
![](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Begonia_glabra_Habitus.jpg/220px-Begonia_glabra_Habitus.jpg)
- Begonia gabonensis JJ de Wilde (Section Tetraphila )
- Begonia gagnepainiana Irmsch. (Section Platycentrum )
- Begonia gamolepis LBSm. & BGSchub. ( Casparya section)
- Begonia garagarana C.DC. (Section Gireoudia )
- Begonia gardneri A.DC. ( Pritzelia Section)
- Begonia garretti Craib (Section Diploclinium )
- Begonia garuvae LBSm. & RCSm. ( Pritzelia Section)
- Begonia belongs to Irmsch. ( Pritzelia Section)
- Begonia gemella Warb. ex LBSm. & Wassh. (Section Petermannia )
- Begonia geminiflora LBSm. & Wassh. (Section Gobenia )
- Begonia gemmipara Hook. f. & Thomson (section Putzeysia )
- Begonia gentilii De Wild. (Section Loasibegonia )
- Begonia geoffrayi Gagnep. (Section Diploclinium )
- Begonia geraniifolia Hook. (Section Eupetalum )
- Begonia geranioides Hook. f. (Section Augustia )
- Begonia gesnerioides LBSm. & BGSchub. (Section Ruizopavonia )
- Begonia gilgiana Irmsch. (Section Petermannia )
- Begonia gitingensis Elmer (Section Diploclinium )
- Begonia glaberrima Urb. & Ekman (Section Begonia )
- Climbing begonia ( Begonia glabra ) Aubl. (Section Wageneria )
- Begonia glabricaulis Irmsch. (Section Petermannia )
- Begonia glandulifera Griseb. (Section Begonia )
- Begonia glandulosa Hook. (Section Platycentrum )
- Begonia glauca (Klotzsch) Ruiz & Pav. Ex A.DC. (Syn .: Pritzelia glauca Klotzsch) (Section Cyathocnemis )
- Begonia glaucoides Irmsch. (Section Ruizopavonia )
- Begonia glechomifolia CMHu (Section Diploclinium )
- Begonia goegoensis NEBr. (Section Reichenheimia )
- Begonia gomantongensis Kiev ( Reichenheimia Section)
- Begonia goniotis CBClarke (Section Platycentrum )
- Begonia gossweileri Irmsch. ( Filicibegonia Section)
- Begonia goudotii A.DC. (Section Quadrilobaria )
- Begonia gracilior Burt-Utley & McVaugh (Section Quadriperigonia )
- Begonia gracilipes Merr. ( Petermannia )
- Begonia gracilis Kunth (Section Quadriperigonia )
- Begonia gracillima A.DC. (Section Eupetalum )
- Begonia grandibracteolata Irmsch. (Section Gobenia )
- Begonia grandipetala Irmsch. (Section Petermannia )
-
Begonia grandis Dryand. (Section Diploclinium ):
- Begonia grandis subsp. evansiana (Andrews) Irmsch. (Syn .: Begonia evansiana Andrews) (Section Diploclinium )
- Begonia grandis subsp. sinensis (A.DC.) Irmsch. (Syn .: Begonia sinensis A.DC.) (Section Diploclinium )
- Begonia grantiana Craib ( Parvibegonia Section)
- Begonia grata ETGeddes ex Craib ( Parvibegonia Section)
- Begonia griffithiana (A.DC.) Warb. (Syn .: Mezierea griffithiana A.DC.) (Section Monopteron )
- Begonia grisea A.DC. ( Pritzelia Section)
- Begonia groenewegensis hort. ex Koch & Fintelm.
- Begonia guaduensis Kunth (section Ruizopavonia )
- Begonia guangxinensis CYWu (Section Coelocentrum )
- Begonia gueritziana Gibbs ( Reichenheimia Section)
- Begonia guishanensis SHHuang & YMShui (Syn .: Begonia rhodophylla CYWu) (Section Diploclinium )
- Begonia gulinqingensis SHHuang & YMShui (Syn .: Begonia brevicaulis TCKu, Begonia sinobrevicaulis TCKu) (Section Diploclinium )
- Begonia gungshaniensis CYWu (Section Platycentrum )
- Begonia gunnerifolia Linden
- Begonia guttata Wall. ex A.DC. ( Parvibegonia Section)
H
The elatior begonia ( Begonia × hiemalis Fotsch, Syn .: Begonia × elatior hort.), Is one of the most common flowering houseplants .
- Begonia hainanensis Chun & F.Chun (Section Petermannia )
- Begonia halconensis Merr. (Section Petermannia )
- Begonia handroi Brade ( Pritzelia Section)
- Begonia haniffii Burkill ( Parvibegonia Section)
- Begonia harlingii LBSm. & Wassh. (Section Begonia )
- Begonia harmandii Gagnep. (Section Reichenheimia )
- Begonia hasskarliana (Miq.) A.DC. (Syn .: Diploclinium hasskarlianum Miq.) (Section Reichenheimia )
- Begonia hassleri C.DC. (Section Begonia )
- Begonia hatacoa Buch.-Ham. ex D.Don (Syn .: Begonia rubronervia hort. ex Klotzsch, nom. inval., Begonia rubrovenia Hook.) (Section Platycentrum )
- Begonia havilandii Ridl. (Section Diploclinium )
- Begonia hayatae Gagnep. (Section Sphenanthera )
- Begonia hekouensis SHHuang (Syn .: Begonia gesnerioides SHHuang & YMShui) (Section Platycentrum )
- Begonia heliostrophe Kiev ( Petermannia section)
- Begonia heloisana Brade ( Donaldia Section)
- Begonia hemsleyana Hook. f. (Section Platycentrum )
- Begonia henryi Hemsl. (Section Reichenheimia )
- Begonia heracleifolia Cham. & Schltdl. (Section Gireoudia )
- Begonia herbacea Vell. ( Trachelocarpus Section)
- Begonia heringeri Brade ( Pritzelia Section)
- Begonia hernandioides Merr. (Section Diploclinium )
- Begonia herrerae LBSm. & BGSchub. (Section Eupetalum )
- Begonia herteri Irmsch.
- Begonia Herveyana King ( Petermannia Section)
- Begonia heterochroma Sosef (Section Loasibegonia )
- Begonia heteroclinis Miq. ex coord. ( Sphenanthera section)
- Begonia heteropoda Baker ( Quadrilobaria Section)
- Begonia hexandra Irmsch. (Section Semibegoniella )
- Begonia hexaptera Sands
- Begonia heydei C.DC. (sect. Urniformia)
- Begonia × hiemalis Fotsch (Syn .: Begonia × elatior hort.)
- Begonia hilariana A.DC. ( Pritzelia Section)
- Begonia hintoniana LBSm. & BGSchub. (Section Knesebeckia )
- Begonia hirsuta Aubl. (Section Doratometra )
- Begonia hirsuticaulis Irmsch. (Section Petermannia )
- Begonia hirsutula Hook. f. (Section Scutobegonia )
- Begonia hirta (Klotzsch) LBSm. & BGSchub. (Syn .: Casparya hirta Klotzsch) (Section Casparya )
- Begonia hirtella Link (Section Doratometra )
-
Begonia hispida Schott ex A.DC. ( Pritzelia Section):
- Begonia hispida var. Cucullifera Irmsch. ( Pritzelia Section )
- Begonia hispidissima Zipp. ex coord. (Section Petermannia )
- Begonia hispidivillosa Ziesenh. (Section Gireoudia )
- Begonia hitchcockii Irmsch. (Section Gobenia )
- Begonia hochbaumii hort. ex Ed.Otto
- Begonia hoehneana Irmsch.
- Begonia holmnielseniana LBSm. & Wassh. (Section Semibegoniella )
- Begonia holosericea Teijsm. & Binn. (Section Petermannia )
- Begonia holtonis A.DC. (Section Ruizopavonia )
- Begonia holttumii Irmsch. (Section Petermannia )
- Begonia homonyma Steud. (Section Augustia )
- Begonia hondurensis Burt-Utley & Utley (Section Weilbachia )
- Begonia hookeriana Gardner ( Pritzelia Section)
- Begonia horsfieldii Miq. ex A.DC. (Section Petermannia )
- Begonia horticola Irmsch. (Section Tetraphila )
- Begonia houttuynioides TTYu (Section Platycentrum )
- Begonia howii Merr. & Chun (Section Platycentrum )
- Begonia huberti Ziesenh. (Section Gireoudia )
- Begonia hugelii (Klotzsch) hoards. ex A.DC. (Syn .: Wageneria hugelii Klotzsch) ( Pritzelia section )
- Begonia hullettii Ridl. (Section Petermannia )
- Begonia humbertii Keraudren (Section Mezierea )
- Begonia humboldtiana Gibbs ( Petermannia Section)
- Begonia humilicaulis Irmsch. (Section Petermannia )
- Begonia humilis Aiton
- Begonia humillima LBSm. & Wassh.
- Begonia hydrocotylifolia Otto ex Hook. (Section Gireoudia )
- Begonia hydrophylloides LBSm. & BGSchub. (Section Knesebeckia )
- Begonia hymenocarpa CYWu (Section Diploclinium )
- Begonia hymenophylla Gagnep. (Section Reichenheimia )
- Begonia hymenophylloides Kingdon-Ward ex LBSm. & Wassh. (Section Diploclinium )
I.
- Begonia ignea Warsz. ex A.DC. (Section Knesebeckia )
- Begonia ignorata Irmsch. (Section Reichenheimia )
- Begonia imbricata Sands ( Petermannia Section)
- Begonia imitans Irmsch. (Section Diploclinium )
- Begonia imperfecta Irmsch. (Section Petermannia )
- Begonia imperialis Lem. (Section Weilbachia )
- Begonia incarnata Link & Otto (Section Knesebeckia )
- Begonia incerta Craib (Section Diploclinium )
- Begonia incisa A.DC. (Section Petermannia )
- Begonia incisoserrata A.DC. (Section Scheidweileria )
- Begonia incondita Craib (Section Diploclinium )
- Begonia inconspicua Brade ( Wageneria section)
- Begonia inculta Irmsch. ( Pritzelia Section)
- Begonia inostegia Stapf ( Petermannia Section)
- Begonia insularis Brade ( Pritzelia section )
- Begonia insularum Irmsch. (Section Petermannia )
- Begonia integerrima Spreng. (Section Solananthera )
- Begonia integrifolia Dalzell (Section Platycentrum )
- Begonia intermixta Irmsch. (Section Reichenheimia )
- Begonia inversa Irmsch. (Section Diploclinium )
- Begonia involucrata Liebm. (Syn .: Begonia metachroa Fotsch) (Section Gireoudia )
- Begonia ionophylla Irmsch. (Section Diploclinium )
- Begonia iridescens Dunn (Section Platycentrum )
- Begonia irmscheri LBSm. & BGSchub. (Section Semibegoniella )
- Begonia isabelensis Quisumb. & Merr. (Section Diploclinium )
- Begonia isalensis Humbert ex Keraudren & Bosser ( Quadrilobaria Section)
- Begonia isoptera Dryand. ex Sm. (Section Petermannia )
- Begonia isopterocarpa Irmsch. ( Pritzelia Section)
- Begonia isopteroidea King (Section Petermannia )
- Begonia itaguassuensis Brade ( Pritzelia section )
- Begonia itatiaiensis Brade ( Pritzelia Section)
- Begonia itatinensis Irmsch. ex Brade ( Pritzelia Section)
- Begonia itupavensis Brade ( Pritzelia section )
- Begonia iucunda Irmsch.
J
- Begonia jagorii Warb. (Section Petermannia )
- Begonia jairii Brade (Section Donaldia )
- Begonia jaliscana Burt-Utley (Section Gireoudia )
- Begonia jamaicensis A.DC. (Section Begonia )
- Begonia jenmanii Tutin (Section Pilderia )
- Begonia jocelinoi Brade ( Pritzelia Section)
- Begonia johnstonii olive. ex Hook. f. ( Rostrobegonia Section)
- Begonia josephii A.DC. (Section Diploclinium )
- Begonia juliana Loefgr. ex Irmsch. ( Pritzelia Section)
- Begonia juninensis Irmsch. (Section Ruizopavonia )
- Begonia juntasensis Kuntze ( Hydristyles Section)
- Begonia jureiensis (Section Gaerdtia )
- Begonia jussiaeicarpa Warb.
K
- Begonia kalabenonensis Humbert ex Keraudren & Bosser ( Muscibegonia Section)
- Begonia kalbreyeri LBSm. & BGSchub. (Section Semibegoniella )
- Begonia kaniensis Irmsch. (Section Diploclinium )
- Begonia karperi Arends (Section Tetraphila )
- Begonia karwinskyana A.DC. (Section Gireoudia )
- Begonia kautskyana Handro ( Pritzelia Section)
- Begonia keeana Kiev (Section Petermannia )
- Begonia keithii Kiev ( Petermannia Section)
- Begonia kellermanii C.DC. (Section Gireoudia )
- Begonia kelliana Irmsch. (Section Petermannia )
- Begonia keniensis Gilg ex Engl. ( Rostrobegonia section)
- Begonia kenworthyae Ziesenh. (Section Gireoudia )
- Begonia keraudrenae Bosser (section Erminea )
- Begonia kerrii Craib (Section Diploclinium )
- Begonia kerstingii Irmsch. (Section Petermannia )
- Begonia khasiana CBClarke
- Begonia killipiana LBSm. & BGSchub. (Section Semibegoniella )
- Begonia kinabulunesis Sands ( Petermannia Section)
- Begonia kingiana Irmsch. (Section Ridleyella )
- Begonia kisuluana Büttner (Section Tetraphila )
- Begonia klemmei Merr. (Section Diploclinium )
- Begonia klossii Ridl. (Section Platycentrum )
- Begonia knoopii Ziesenh. (Section Gireoudia )
- Begonia komoensis Irmsch. (Section Tetraphila )
- Begonia konder-reisiana LBSm. & RCSm. (Section Begonia )
- Begonia koordersii Warb. ex LBSm. & Wassh. (Section Petermannia )
- Begonia kortsiae Ziesenh. (Section Gireoudia )
- Begonia kouy-tcheouensis Guillaumin (Section Platycentrum )
- Begonia kuhlmannii Brade (Section Knesebeckia )
- Begonia kunthiana Walp. (Section Gaerdtia )
L.
- Begonia labordei Lév. (Section Diploclinium )
- Begonia laccophora Sands
- Begonia lacera Merr. (Section Petermannia )
- Begonia lacerata Irmsch. (Section Platycentrum )
- Begonia lachaoensis Ziesenh. (Section Knesebeckia )
- Begonia lacunosa Warb. (Section Scutobegonia )
- Begonia lacustris Irmsch. ex Peekel, nom. inval. (Section Petermannia )
- Begonia laevis Ridl. (Section Petermannia )
- Begonia lagunensis Elmer (Section Petermannia )
- Begonia lambii Kiev ( Petermannia Section)
- Begonia laminariae Irmsch. (Section Platycentrum )
- Begonia lancangensis SHHuang (Section Sphenanthera )
- Begonia lanceolata Vell. ( Trachelocarpus Section)
- Begonia lancifolia Merr. (Section Petermannia )
- Begonia lancilimba Merr. (Section Diploclinium )
- Begonia langbianensis Baker f. (Section Platycentrum )
- Begonia lansbergeae L. Linden & Rodigas (Section Diploclinium )
- Begonia lanstyakii Brade (section Begonia )
- Begonia lanternaria Irmsch. (Section Coelocentrum )
- Begonia laporteifolia Warb. (Section Scutobegonia )
- Begonia larorum LBSm. & Wassh. ( Pritzelia Section)
- Begonia latistipula Merr. (Section Petermannia )
- Begonia lauterbachii Warb. (Section Petermannia )
- Begonia laxa LB m. & BGSchub. (Section Cyathocnemis )
- Begonia layang-layang Kiev ( Petermannia Section)
- Begonia lazat Kiew & Azmi (Section Petermannia )
- Begonia lealii Brade ( Pritzelia section )
- Begonia leandrii Humbert ex Keraudren & Bosser ( Quadrilobaria Section)
- Begonia leathermaniae O'Reilly & Kareg. (Section Knesebeckia )
- Begonia lecomtei Gagnep.
- Begonia ledermannii Irmsch. (Section Petermannia )
- Begonia lehmannii (Irmsch.) LBSm. & BGSchub. (Syn .: Begoniella lehmannii Irmsch.) (Section Semibegoniella )
- Begonia leivae J.Sierra (Section Begonia )
- Begonia lemurica Keraudren (Section Erminea )
- Begonia lepida flower ( Bracteibegonia section)
- Begonia lepidella Ridl. (Section Petermannia )
- Begonia leprosa Hance (Section Leprosae )
- Begonia leptantha CBRob. (Section Petermannia )
- Begonia leptophylla deaf.
- Begonia leptoptera H.Hara (Section Diploclinium )
- Begonia leptostyla Irmsch. (Section Ruizopavonia )
- Begonia letestui JJ de Wilde (Section Tetraphila )
- Begonia letouzeyi Sosef (Section Loasibegonia )
- Begonia leucantha Ridl. ( Parvibegonia Section)
- Begonia leucochlora Sands
- Begonia leuconeura Urb. & Ekman (Section Begonia )
- Begonia leucosticta Warb. (Section Petermannia )
- Begonia leucotricha Sands
- Begonia libanensis Urb. (Section Begonia )
- Begonia libera LBSm. & BGSchub. (Section Semibegoniella )
- Begonia lignescens Morton (section Ruizopavonia )
- Begonia limprichtii Irmsch. (Section Platycentrum )
- Begonia lindleyana Walp. (Section Gireoudia )
- Begonia lindmanii Brade (Section Begonia )
- Begonia linearifolia J.Sierra (section Begonia )
- Begonia lineolata Brade ( Pritzelia section )
- Begonia lipingensis Irmsch. (Section Platycentrum )
- Begonia lipolepis LBSm. ( Casparya section)
- Begonia listada LBSm. & Wassh. ( Pritzelia Section)
- Begonia lithophila CYWu ( Reichenheimia Section)
- Begonia littleri Merr. (Section Platycentrum )
- Begonia lobbii A.DC. (Section Reichenheimia )
- Begonia loheri Merr. (Section Petermannia )
- Begonia lomensis Britton & Wilson (Section Begonia )
- Begonia longanensis CYWu (Section Platycentrum )
- Begonia longialata KYGuan & DKTian (Section Platycentrum )
- Begonia longibarbata Brade ( Pritzelia section )
- Begonia longibractea Merr. (Section Petermannia )
- Begonia longicarpa KYGuan & DKTian (Section Leprosae )
- Begonia longicaulis Ridl. (Section Platycentrum )
- Begonia longifolia flower (Syn .: Begonia crassirostris Irmsch., Begonia inflata CBClarke, Begonia tricornis Ridl., Begonia trisulcata (A.DC.) Warb., Casparya trisulcata A.DC.) (Section Sphenanthera )
- Begonia longimaculata Irmsch. (Section Knesebeckia )
- Begonia longinoda Merr. (Section Diploclinium )
- Begonia longipedunculata Golding & Kareg. (Section Platycentrum )
- Begonia longipetiolata Gilg (Section Tetraphila )
- Begonia longirostris Benth. (Section Semibegoniella )
- Begonia longiscapa Warb. (Section Diploclinium )
- Begonia longiseta Irmsch. (Section Petermannia )
- Begonia longistipula Merr. (Section Petermannia )
- Begonia longovillosa A.DC. (Section Diploclinium )
- Begonia lopensis Sosef & Leal (Section Scutobegonia )
- Begonia lophoptera Rolfe (Section Cyathocnemis )
- Begonia loranthoides Hook. f. (Section Tetraphila )
- Begonia louis-williamsii Burt-Utley (Section Gireoudia )
- Begonia lowiana King (Section Platycentrum )
- Begonia lubbersii E. Morren (Section Gaerdtia )
- Begonia lucidissima Golding & Kareg. (Section Begonia )
- Begonia lucifuga Irmsch. (Section Cyathocnemis )
- Begonia ludicra A.DC. (Section Weilbachia )
- Begonia ludwigii Irmsch. (Section Knesebeckia )
- Begonia lugonis LB Sm. & Wassh. (Section Knesebeckia )
- Begonia lukuana YCLiu & CHOu (Section Diploclinium )
- Begonia lunatistyla Irmsch. (Section Petermannia )
- Begonia lushaiensis CEC fish. (Section Diploclinium )
- Begonia lutea LBSm. & BGSchub. (Section Eupetalum )
- Begonia luxurians Scheidw. (Section Scheidweileria )
- Begonia luzhaiensis TCKu (Section Coelocentrum )
- Begonia luzonensis Warb. (Section Diploclinium )
- Begonia lyallii A.DC. (Section Nerviplacentaria )
- Begonia lyman-smithii Burt-Utley & Utley (Section Gireoudia )
- Begonia lyniceorum Burt-Utley (Section Weilbachia )
M.
- Begonia macahensis Glaz.
- Begonia macduffieana LBSm. & BGSchub. (Section Gaerdtia )
- Begonia macgregorii Merr. (Section Petermannia )
- Begonia machrisiana LBSm. & BGSchub. (Section Cyathocnemis )
- Begonia macra A.DC. (Section Eupetalum )
- Begonia macrocarpa Warb. ( Filicibegonia Section)
- Begonia macrotoma Irmsch. (Section Platycentrum )
- Begonia maculata Raddi (Section Gaerdtia )
- Begonia madaiensis Kiev ( Petermannia section)
- Begonia madecassa Keraudren (Section Nerviplacentaria )
- Begonia maestrensis Urb. (Section Begonia )
- Begonia magdalenae LBSm. & BGSchub. (Section Cyathocnemis )
- Begonia magdalenensis Brade ( Pritzelia section )
- Begonia maguanensis SHHuang & YMShui (Section Platycentrum )
- Begonia majungaensis Guillaumin (Section Nerviplacentaria )
- Begonia malabarica Lam.
- Begonia malachosticta Sands (Section Petermannia )
- Begonia malindangensis Merr. (Section Petermannia )
- Begonia malipoensis SHHuang & YMShui (Section Diploclinium )
- Begonia malmquistiana Irmsch. (Section Petermannia )
- Begonia mananjebensis Humbert ex Bosser & Keraudren (Section Quadrilobaria )
- Begonia mangorensis Humbert ex Bosser & Keraudren (Section Nerviplacentaria )
- Begonia manhaoensis SHHuang & YMShui (Section Platycentrum )
-
Begonia manicata Brongn. ex Cels:
- Begonia manicata var. Aureomaculata Ziesenh. (Section Alicida )
- Begonia manicata var. Manicata (section Alicida )
- Begonia manillensis A.DC. (Section Diploclinium )
- Begonia mannii Hook. f.
- Begonia maracayuensis Parodi
- Begonia mariae LBSm. ( Casparya section)
- Begonia mariannensis Wassh. & McLellan (Section Knesebeckia )
- Begonia mariti Burt-Utley (Section Gireoudia )
- Begonia marnieri Keraudren (Section Nerviplacentaria )
- Begonia marojejyensis Humbert (Section Erminea )
- Begonia martabanica A.DC. ( Parvibegonia Section)
- Begonia masarangensis Irmsch. (Section Petermannia )
- Begonia masoniana Irmsch. (Section Coelocentrum )
- Begonia maurandiae A.DC. (Section Gobenia )
- Begonia maxwelliana King (Section Platycentrum )
- Begonia mayasiana LBSm. & BGSchub. (Section Knesebeckia )
- Begonia maynensis A.DC. (Section Knesebeckia )
- Begonia mazae Ziesenh. (Section Gireoudia )
- Begonia mbangaensis Sosef (Section Scutobegonia )
- Begonia mearnsii Merr. (Section Petermannia )
- Begonia media Merr. & LMPerry ( Petermannia Section)
- Begonia medusae Linden
- Begonia megacarpa Merr. (Section Petermannia )
- Begonia megalantha Merr. (Section Petermannia )
- Begonia megalophyllaria CYWu (Section Platycentrum )
- Begonia megaptera A.DC.
- Begonia melikopia Kiev ( Petermannia Section)
- Begonia membranacea A.DC. ( Pritzelia Section)
- Begonia mengtzeana Irmsch. (Section Platycentrum )
- Begonia meridensis A.DC. (Section Ruizopavonia )
- Begonia merrittii Merr. (Section Petermannia )
- Begonia metallica WGSm. ( Pritzelia Section)
- Begonia mexicana H.Karst. ex Fotsch
- Begonia meyeri-johannis Engl. (Section Mezierea )
- Begonia meysselliana Linden
- Begonia michoacana LBSm. & BGSchub. (Section Knesebeckia )
- Begonia micranthera Griseb. (Section Eupetalum )
- Begonia micra thera var. Fimbriata LBSm. & BGSchub. (Section Eupetalum )
- Begonia micranthera var. Hieronymi LBSm. & BGSchub. (Section Eupetalum )
- Begonia microcarpa A.DC. (Section Knesebeckia )
- Begonia microptera Hook. f.
- Begonia microsperma Warb. (Section Loasibegonia )
- Begonia mildbraedii Gilg (section section)
- Begonia militaris LBSm. & BGSchub.
- Begonia mindanaensis Warb. (Section Petermannia )
- Begonia mindorensis Merr. (Section Diploclinium )
- Begonia minicarpa H.Hara (Section Diploclinium )
- Begonia minjemensis Irmsch. (Section Diploclinium )
- Begonia minor Jacq. (Section Begonia )
- Begonia minuta Sosef (Section Loasibegonia )
- Begonia minutifolia N. Hallé ( Filicibegonia Section)
- Begonia miranda Irmsch. (Section Diploclinium )
- Begonia modestiflora Kurz (Section Diploclinium )
- Begonia molinana Burt-Utley (Section Knesebeckia )
- Begonia molleri (C.DC.) Warb. (Syn .: Mezierea molleri C.DC.) (Section Tetraphila )
- Begonia mollicaulis Irmsch. (Section Begonia )
- Begonia mollis A.DC. (Section Reichenheimia )
- Begonia monadelpha Ruiz & Pav. Ex A.DC. (Section Barya )
- Begonia monantha Warb. (Section Petermannia )
- Begonia monicae Aymonin & Bosser (Section Erminea )
- Begonia monophylla Pav. Ex A.DC. (Syn .: Begonia unifolia Rose ex Trel.) (Section Eupetalum )
- Begonia montana (A.DC.) Warb. (Syn .: Casparya montana A.DC.) (Section Casparya )
- Begonia montis-bismarckii Warb. (Section Petermannia )
- Begonia montis-elephantis JJ de Wilde (Section Scutobegonia )
- Begonia mooreana (Irmsch.) LLForrest & Hollingsw. (Syn .: Symbegonia mooreana Irmsch.) (Section Symbegonia )
- Begonia morifolia TTYu (Section Diploclinium )
- Begonia morii Burt-Utley (Section Gireoudia )
- Begonia morsei Irmsch. (Section Coelocentrum )
- Begonia moszkowskii Irmsch. (Section Petermannia )
- Begonia moulmeinensis CBClarke (Section Diploclinium )
- Begonia moysesii Brade ( Pritzelia section )
- Begonia mucronistipula C.DC. (Section Gireoudia )
- Begonia muliensis TTYu (Section Diploclinium )
- Begonia multangula flower (Section Sphenanthera )
- Begonia multidentata Warb. (Section Petermannia )
- Begonia multiflora Benth. (Section Ruizopavonia )
- Begonia multinervia Liebm. (Section Gireoudia )
- Begonia multistaminea Burt-Utley (Section Gireoudia )
- Begonia muricata flower ( Reichenheimia section)
- Begonia murina Craib (Section Diploclinium )
- Begonia murudensis Merr. (Section Petermannia )
- Begonia mystacina LBSm. & Wassh. (Section Petermannia )
N
- Begonia nana L'Hér. (Section Erminea )
- Begonia nantoensis MJLai & NJChung (Section Platycentrum )
- Begonia napoensis LBSm. & Wassh. (Section Semibegoniella )
- Begonia naumoniensis Irmsch. (Section Petermannia )
- Begonia neglecta A.DC. ( Pritzelia Section)
- Begonia negrosensis Elmer (Section Petermannia )
- Begonia nelumbiifolia Cham. & Schltdl. (Section Gireoudia )
- Begonia nemoralis LBSm. & BGSchub. (Section Knesebeckia )
- Begonia neocomensium A.DC. ( Pritzelia Section)
- Begonia neoharlingei LBSm. & Wassh. (Section Eupetalum )
- Begonia neoperrieri Humbert ex Keraudren ( Quadrilobaria Section)
- Begonia neopurpurea LBSm. & Wassh. (Section Diploclinium )
- Begonia nepalensis (A.DC.) Warb. (Syn .: Begonia gigantea Wall. Ex CBClarke, Mezierea nepalensis A.DC.) (Section Monopteron )
- Begonia nevadensis Dorr ( Casparya section)
- Begonia nigritarum Steud. (Section Diploclinium )
- Begonia nivea Parish ex Kurz ( Reichenheimia Section)
- Begonia nossibea A.DC. (Section Quadrilobaria )
- Begonia notata Craib (Section Diploclinium )
- Begonia notiophila Urb. (Section Begonia )
- Begonia novogranatae A.DC. (Section Eupetalum )
- Begonia novoguineensis Merr. & LMPerry ( Petermannia Section)
- Begonia nubicola LBSm. & BGSchub. (Section Cyathocnemis )
- Begonia nuda Irmsch. ( Pritzelia Section)
- Begonia nummulariifolia plaster.
- Begonia nurii Irmsch. (Section Reichenheimia )
- Begonia nyassensis Irmsch. ( Rostrobegonia Section)
- Begonia nymphaeifolia TTYu (Section Diploclinium )
O
- Begonia oaxacana A.DC. (Section Parietoplacentalia )
- Begonia oblanceolata Rusby (section Ruizopavonia )
- Begonia obliqua L. (Synonyms: Begonia macrophylla Lam.) (Section Begonia )
- Begonia obliquefolia SHHuang & YMShui (Section Coelocentrum )
- Begonia oblongata Merr. (Section Petermannia )
- Begonia oblongifolia Stapf (Section Petermannia )
- Begonia obovatistipula C.DC. ( Pritzelia Section)
- Begonia obovoidea Craib (Section Sphenanthera )
- Begonia obscura Brade ( Pritzelia Section)
- Begonia obsolescens Irmsch. (Syn .: Begonia fengii TCKu) (Section Diploclinium )
- Begonia obtecticaulis Irmsch. (Section Ruizopavonia )
- Begonia obtusifolia Merr. (Section Diploclinium )
- Begonia obversa CBClarke ( Platycentrum section)
- Begonia occhionii Brade ( Pritzelia Section)
- Begonia octopetala L'Hér. (Section Eupetalum )
- Begonia odeteiantha Handro ( Pritzelia Section)
- Begonia odorata Willd. (Section Begonia )
- Begonia oellgaardii LBSm. & Wassh. (Section Knesebeckia )
- Begonia olbia Kerch. (Section Knesebeckia )
- Begonia oligandra Merr. & LMPerry (Section Diploclinium )
- Begonia oligantha Merr. (Section Petermannia )
- Begonia oligocarpa A.DC. ex coord.
- Begonia oliveri LBSm. & BGSchub. (Section Semibegoniella )
- Begonia olsoniae LBSm. & BGSchub. (Syn .: Begonia vellozoana Brade) ( Pritzelia section )
- Begonia ophiogyma LBSm. & BGSchub. ( Hydristyles section)
- Begonia opuliflora plaster. (Section Ruizopavonia )
- Begonia orbiculata Jack (Section Diploclinium )
- Begonia orchidiflora handle.
- Begonia oreodoxa Chun & F.Chun (Section Platycentrum )
- Begonia organensis Brade (section Begonia )
- Begonia ornithocarpa Standl. (Section Quadriperigonia )
- Begonia ornithophylla Irmsch. (Section Coelocentrum )
- Begonia otophora Merr. & LMPerry ( Petermannia Section)
- Begonia otophylla LBSm. & BGSchub. ( Pritzelia Section)
- Begonia ovatifolia A.DC. (Section Diploclinium )
- Begonia oxyanthera Warb. (Section Tetraphila )
- Begonia oxyloba Welw. ex Hook. f. (Section Mezierea )
- Begonia oxyphylla A.DC. ( Pritzelia Section)
- Begonia oxysperma A.DC. (Section Baryandra )
- Begonia oxyura Merr. & LM Perry (Section Petermannia )
P
![](https://upload.wikimedia.org/wikipedia/commons/thumb/2/23/Begonia_pustulata_%28petals%29_-_Botanical_Garden_Cologne.jpg/220px-Begonia_pustulata_%28petals%29_-_Botanical_Garden_Cologne.jpg)
- Begonia pachyrhacis LB m. & Wassh. (Section Sphenanthera )
- Begonia padangensis Irmsch. (Section Petermannia )
- Begonia palawanensis Merr. (Section Petermannia )
- Begonia paleacea short (Section Monophyllon )
- Begonia paleata A.DC. ( Pritzelia Section)
- Begonia palmata D.Don (Syn .: Begonia laciniata Roxb.) (Section Platycentrum )
- Begonia palmatiloba Linden & André
- Begonia palmeri S. Watson (Syn .: Begonia macdanielsii Standl.) (Section Quadriperigonia )
- Begonia panayensis Merr. (Section Petermannia )
- Begonia paniculata Parodi
- Begonia pantherina plaster. ex Linden
- Begonia papuana Warb. (Section Petermannia )
- Begonia papyraptera Sands
- Begonia paraguayensis Parodi
- Begonia paranaensis Brade ( Pritzelia section )
- Begonia parcifolia C.DC. (Section Knesebeckia )
- Begonia parilis Irmsch. ( Pritzelia Section)
- Begonia parishii CBClarke ( Parvibegonia Section)
- Begonia parodiana LBSm. & BGSchub. (Section Knesebeckia )
- Begonia parva Merr. (Section Diploclinium )
- Begonia parviflora Poepp. & Endl. (Section Scheidweileria )
- Begonia parvifolia Schott ( Pritzelia Section)
- Begonia parvilimba Merr. (Section Petermannia )
- Begonia parvistipulata Irmsch. ( Pritzelia Section)
- Begonia parvula Lév. & Vaniot ( Reichenheimia Section)
- Begonia parvuliflora A.DC. (Section Diploclinium )
- Begonia pastoensis A.DC. (Section Knesebeckia )
- Begonia paucilobata CYWu (Section Platycentrum )
- Begonia paulensis A.DC. ( Pritzelia Section)
- Begonia paupercula King (Section Platycentrum )
- Begonia pavonina Ridl. (Section Platycentrum )
- Begonia pearcei Hook. f. (Section Eupetalum )
- Begonia pectennervia LBSm. & Wassh. (Section Semibegoniella )
- Begonia pedata Liebm. (Section Quadriperigonia )
- Begonia pedatifida Lév. (Section Platycentrum )
- Begonia pediophylla Merr. & LMPerry ( Petermannia Section)
- Begonia pedunculosa Wall. (Section Diploclinium )
- Begonia peekelii Irmsch. (Section Petermannia )
- Begonia peii CYWu (Section Alicida )
- Begonia pelargoniiflora JJ de Wilde & Arends (Section Tetraphila )
- Begonia peltata Otto & A.Dietr. (Section Gireoudia )
- Begonia peltatifolia HLLi ( Petermannia section)
- Begonia peltifolia Schott ( Pritzelia section )
- Begonia peltigera Irmsch. ( Hydristyles section)
- Begonia pendula Ridl. (Section Petermannia )
- Begonia peninsulae Irmsch. (Section Reichenheimia )
- Begonia pensilis LBSm. & Wassh. (Section Begonia )
- Begonia pentaphragmifolia Ridl. (Section Petermannia )
- Begonia pentaphylla Walp. (Section Scheidweileria )
- Begonia peperomioides Hook. f. (Section Scutobegonia )
- Begonia per-dusenii Brade (section Begonia )
- Begonia perakensis King (Section Platycentrum )
- Begonia peristegia Stapf ( Pritzelia Section)
- Begonia pernambucensis Brade ( Pritzelia section )
- Begonia perpusilla A.DC. ( Muscibegonia Section)
- Begonia perrieri Bois
- Begonia perryae LBSm. & Wassh. (Section Petermannia )
- Begonia peruibensis Handro ( Pritzelia section )
- Begonia peruviana A.DC. (Section Ruizopavonia )
- Begonia petasitifolia Brade ( Pritzelia section )
- Begonia philodendroides Ziesenh. (Section Gireoudia )
- Begonia phoeniogramma Ridl. ( Parvibegonia Section)
- Begonia phrixophylla leaf. & McCann ( Reichenheimia Section)
- Begonia phuthoensis HQNguyen (Section Coelocentrum )
- Begonia × phyllomaniaca Mart.
- Begonia physandra Merr. & LMPerry
- Begonia pickelii Irmsch. ( Pritzelia Section)
- Begonia picta Sm. (Section Diploclinium )
- Begonia pierrei Gagnep. (Section Reichenheimia )
- Begonia pilderifolia C.DC. ( Pritzelia Section)
- Begonia pilgeriana Irmsch. ( Pritzelia Section)
- Begonia pilosa Jack (Section Petermannia )
- Begonia pilosella Irmsch. (Section Ruizopavonia )
- Begonia pinamalayensis Merr. (Section Diploclinium )
- Begonia pinetorum A.DC. (Section Gireoudia )
- Begonia pinheironis LBSm. ex SFSm. & Wassh. ( Pritzelia Section)
- Begonia pinnatifida Merr. & LMPerry ( Petermannia Section)
- Begonia piresiana Handro ( Pritzelia section )
- Begonia piurensis LBSm. & BGSchub. (Section Knesebeckia )
- Begonia plantaginea LBSm. & BGSchub. (Section Gireoudia )
- Begonia platanifolia Schott (Section Knesebeckia )
- Begonia platyphylla Merr. (Section Petermannia )
- Begonia platyptera Urb. (Section Begonia )
- Begonia plebeja Liebm. (Section Gireoudia )
- Begonia pleioclada Irmsch. (Section Petermannia )
- Begonia pleiopetala A.DC. (Section Eupetalum )
-
Begonia plumieri A.DC. (Section Begonia ):
- Begonia plumieri var. Barahonensis OESchulz (Section Begonia )
- Begonia plumieri var. Plumieri (section Begonia )
- Begonia pluvialis LBSm. ex SFSm. & Wassh. ( Pritzelia Section)
- Begonia poculifera Hook. f. (Section Squamibegonia )
- Begonia poecila K. Koch (Section Platycentrum )
- Begonia polyandra Irmsch. ( Pritzelia Section)
- Begonia polygonata Liebm. (Section Gireoudia )
- Begonia polygonifolia A.DC. (Section Wageneria )
- Begonia polygonoides Hook. f. (Section Tetraphila )
- Begonia polypetala A.DC. (Section Eupetalum )
- Begonia polytricha CYWu (Section Platycentrum )
- Begonia popenoei Standl.
- Begonia porteana Van Geert
- Begonia porteri Lév. & Vaniot (Section Coelocentrum )
- Begonia portillana S. Watson ( Quadriperigonia Section)
- Begonia postarii Kiev ( Petermannia Section)
- Begonia potamophila Gilg (Section Loasibegonia )
- Begonia praerupta Irmsch. (Section Lepsia )
- Begonia preussii Warb. (Section Tetraphila )
- Begonia prieurii A.DC. (Section Doratometra )
- Begonia princeae Gilg (Section Augustia )
- Begonia princeps A.DC. ( Pritzelia Section)
- Begonia pringlei S.Watson (Section Gireoudia )
- Begonia prionophylla Irmsch. (Section Ruizopavonia )
- Begonia prismatocarpa Hook. (Section Loasibegonia )
- Begonia procridifolia Wall. ex A.DC. ( Parvibegonia Section)
- Begonia prolifera A.DC. (Section Monophyllon )
- Begonia prolixa Craib (Section Platycentrum )
- Begonia promethea Ridl. (Section Petermannia )
- Begonia propinqua Ridl. (Section Petermannia )
- Begonia prostrata Irmsch. (Section Sphenanthera )
- Begonia pruinata (Klotzsch) A.DC. (Syn .: Gireoudia pruinata Klotzsch) (Section Gireoudia )
- Begonia pryeriana Ridl. (Section Petermannia )
- Begonia pseudodryadis CYWu (Section Coelocentrum )
- Begonia pseudoglauca Irmsch. (Section Cyathocnemis )
- Begonia pseudolateralis Warb. (Section Petermannia )
- Begonia pseudolubbersii Brade (Section Gaerdtia )
- Begonia pseudoviola Gilg (Section Loasibegonia )
- Begonia psilophylla Irmsch. (Section Platycentrum )
- Begonia pubescens Ridl. (Section Petermannia )
- Begonia pudica LBSm. & BGSchub. (Section Gireoudia )
- Begonia pulchella Raddi ( Pritzelia Section)
- Begonia pulchera (Ridl.) LLForrest & Hollingsw. (Syn .: Symbegonia pulchera Ridl.) (Section Symbegonia )
- Begonia pulcherrima Sosef (Section Loasibegonia )
- Begonia pululahuana C.DC. (Section Gobenia )
- Begonia pumila Craib (Section Ridleyella )
- Begonia pumilio Irmsch. (Section Reichenheimia )
- Begonia punbatuensis Kiev ( Petermannia section)
- Begonia purdieana A.DC. (Section Begonia )
- Begonia purpureofolia SHHuang & YMShui (Section Platycentrum )
- Begonia purpusii Houghton ex Ziesenh. (Section Weilbachia )
- Begonia pustulata Liebm. (Section Weilbachia )
- Begonia putii Craib (Section Diploclinium )
- Begonia pycnantha Urb. & Ekman (Section Begonia )
- Begonia pygmaea Irmsch. (Section Augustia )
- Begonia pyrrha Ridl. (Section Diploclinium )
Q
-
Begonia quadrialata Warb .:
- Begonia quadrialata subsp. dusenii (Warb.) Sosef (Syn .: Begonia dusenii Warb.) (Section Alicida )
- Begonia quadrialata subsp. nimbaensis Sosef (Section Alicida )
- Begonia quadrialata subsp. quadrialata (Section Alicida )
- Begonia quaternata LBSm. & BGSchub. (Section Gireoudia )
- Begonia quercifolia A.DC. (Section Petermannia )
R.
- Begonia rabilii Craib ( Reichenheimia Section)
- Begonia racemosa Jack (section Petermannia )
- Begonia radicans Vell. (Section Solananthera )
- Begonia rafel-torresii Burt-Utley (Section Gireoudia )
- Begonia raimondii Irmsch. ( Casparya section)
- Begonia rajah Ridl. (Section Reichenheimia )
- Begonia ramentacea Paxton ( Pritzelia section )
- Begonia ramosii Merr. (Section Petermannia )
- Begonia randiana Merr. & LMPerry ( Petermannia Section)
- Begonia ravenii CIPeng & YKChen (Section Diploclinium )
- Begonia razafinjohanyi Aymonin & Bosser (Section Erminea )
- Begonia reflexisquamosa CYWu (Section Platycentrum )
- Begonia relicta LBSm. & BGSchub. (Section Knesebeckia )
- Begonia renifolia Irmsch. (Section Sphenanthera )
- Begonia reniformis Dryand. (Syn .: Begonia vitifolia Schott) ( Pritzelia section )
- Begonia repens Lam. (Section Begonia )
- Begonia repenticaulis Irmsch. (Section Platycentrum )
- Begonia reptans Benth. (Section Weilbachia )
- Begonia retusa OESchulz (Section Begonia )
- Begonia rex plaster. (Syn .: Begonia longiciliata CYWu) (Section Platycentrum )
- Begonia rex-cultorum (Syn .: Gireoudia rhizocaulis Klotzsch) LHBailey
- Begonia rheifolia Irmsch. (Section Platycentrum )
- Begonia rhizocaulis (Klotzsch) A.DC. (Section Gireoudia )
- Begonia rhodantha Ridl. (Section Petermannia )
- Begonia rhodochlamys LBSm. & BGSchub. (Section Quadriperigonia )
- Begonia rhoephila Ridl. (Section Platycentrum )
- Begonia rieckei Warb. (Section Petermannia )
- Begonia riedelii A.DC. ( Pritzelia Section)
- Begonia rigida Linden ex rule ( Pritzelia section )
- Begonia rimarum Craib ( Parvibegonia section)
- Begonia riparia Irmsch. (Section Augustia )
- Begonia rizalensis Merr. (Section Petermannia )
- Begonia robinsonii Ridl. (Section Platycentrum )
-
Begonia robusta flower:
- Begonia robusta var. Glabriscula (A.DC.) J.Door. ex FABarkley & Golding (Section Alicida )
- Begonia robusta var. Hirsutior (Miq.) Golding & Kareg. (Section Alicida )
- Begonia robusta var. Robusta (Section Alicida )
- Begonia rockii Irmsch. (Section Platycentrum )
- Begonia roezlii rule (section Cyathocnemis )
- Begonia rongjiangensis TCKu (Section Diploclinium )
- Begonia rosacea plaster. (Section Eupetalum )
- Begonia roseibractea Ziesenh. (Section Gireoudia )
- Begonia rossmanniae A.DC. (Section Rossmannia )
- Begonia rostrata Welw. ex Hook. f. ( Rostrobegonia Section)
- Begonia rotunda Vell. ( Pritzelia Section)
- Begonia rotundifolia Lam. (Section Begonia )
- Begonia rotundilimba SHHuang & YMShui (Section Diploclinium )
- Begonia roxburghii A.DC. (Section Sphenanthera )
- Begonia rubella Buch.-Ham. ex D.Don (Section Diploclinium )
- Begonia rubida Ridl. (Section Petermannia )
- Begonia rubiginosipes Irmsch. (Section Ruizopavonia )
- Begonia ruboides CMHu ex CYWu & TCKu (Section Diploclinium )
- Begonia rubricaulis Hook. (Section Eupetalum )
- Begonia rubrifolia Merr. (Section Diploclinium )
- Begonia rubromarginata Gilg (Section Tetraphila )
- Begonia rubronervata De Wild. (Section Tetraphila )
- Begonia rubropilosa A.DC.
- Begonia rubropunctata SHHuang & YMShui (Section Platycentrum )
- Begonia rubrotincta LBSm. & BGSchub. (Section Gobenia )
- Begonia rufa Thunb. ( Pritzelia Section)
- Begonia rufipila Merr. (Section Diploclinium )
- Begonia rufosericea Toledo ( Pritzelia section )
- Begonia ruhlandiana Irmsch. ( Pritzelia Section)
- Begonia rumpiensis Kupicha ( Rostrobegonia Section)
- Begonia rupicola Miq. ( Parvibegonia Section)
- Begonia rupium Irmsch. ( Pritzelia Section)
- Begonia rutilans Van Houtte ex A.DC. ( Pritzelia Section)
- Begonia rwandensis Arends (Section Tetraphila )
S.
- Begonia salaziensis (Gaudich.) Warb. (Syn .: Mezierea salaziensis Gaudich.) (Section Mezierea )
- Begonia salesopolensis SJGomes da Silva & Mamede ( Pritzelia section )
- Begonia salicifolia A.DC. (Section Gaerdtia )
- Begonia salisburyana Irmsch. (Section Loasibegonia )
- Begonia salomonensis Merr. & LMPerry ( Petermannia Section)
- Begonia samarensis Merr. (Section Petermannia )
- Begonia sambiranensis Humbert ex Keraudren & Bosser ( Quadrilobaria Section)
- Begonia sandalifolia CBClarke (Section Platycentrum )
- Begonia sandtii Houghton ex Ziesenh. (Section Quadriperigonia )
- Begonia sanguinea Raddi ( Pritzelia Section)
- Begonia santarosensis Kuntze ( Hydristyles Section)
- Begonia santos-limae Brade (Section Knesebeckia )
- Begonia sarasinorum Irmsch. (Section Petermannia )
- Begonia sarawakensis Ridl. (Section Petermannia )
- Begonia sarcocarpa Ridl. (Section Sphenanthera )
- Begonia sarmentacea hoard . ex Brilmayer ( Pritzelia Section)
- Begonia sarmentosa LBSm. & Wassh. (Section Petermannia )
- Begonia sartorii Liebm. (Syn .: Begonia sarcophylla Liebm.) (Section Gireoudia )
- Begonia satrapis CBClarke (Section Diploclinium )
- Begonia saxicola A.DC. (Section Donaldia )
- Begonia saxifraga A.DC. ( Pritzelia Section)
- Begonia saxifragifolia Craib (Section Diploclinium )
- Begonia scabrida A.DC. ( Pritzelia Section)
- Begonia scabridoidea LBSm. & Wassh.
- Begonia scapigera Hook. f. (Section Loasibegonia )
- Begonia schaeferi Engl. (Section Loasibegonia )
- Begonia Sharffiana Rule ( Pritzelia Section)
- Begonia Sharffii Hook. f. ( Pritzelia Section)
- Begoniaschenckii Irmsch. (Section Begonia )
- Begonia schliebenii Irmsch. ( Rostrobegonia Section)
- Begonia schlumbergeriana Lem. ( Pritzelia Section)
- Begonia schmidtiana rule (section Begonia )
- Begonia schulziana Urb. & Ekman (Section Begonia )
- Begonia sciadiophora LBSm. & BGSchub. (Section Begonia )
- Begonia sciaphila Gilg ex Engl. ( Filicibegonia Section)
- Begonia scintillans Dunn (Section Diploclinium )
- Begonia scitifolia Irmsch. (Section. Platycentrum )
- Begonia scortechinii King ( Platycentrum section)
- Begonia scutifolia Hook. f. (Section Loasibegonia )
- Begonia scutulum Hook. f. (Section Scutobegonia )
- Begonia secunda LBSm. & Wassh. (Section Gobenia )
- Begonia seemanniana A.DC. (Section Ruizopavonia )
- Begonia segregata LBSm. & BGSchub. (Section Gobenia )
- Begonia semidigitata Brade (Section Scheidweileria )
- Begonia semiovata Liebm. (Section Doratometra )
- Begonia × semperflorens-cultorum hort.
- Begonia sericoneura Liebm. (Syn .: Begonia pilifera A.DC.) (Section Gireoudia )
- Begonia serotina A.DC. (Section Knesebeckia )
- Begonia serpens Merr. (Section Diploclinium )
- Begonia serranegrae LBSm. ex SFSm. & Wassh. ( Pritzelia Section)
- Begonia serraticauda Merr. & LMPerry ( Petermannia Section)
- Begonia serratipetala Irmsch. (Section Petermannia )
- Begonia sessilifolia Hook. f. ( Filicibegonia Section)
- Begonia setifolia Irmsch. (Syn .: Begonia tsaii Irmsch.) (Section Diploclinium )
- Begonia setulosa Bertol. (Section Gireoudia )
- Begonia setulosopeltata CYWu (Section Coelocentrum )
- Begonia seychellensis Hemsl. (Section Mezierea )
- Begonia sharpeana F. Muell. (Section Diploclinium )
- Begonia siamensis Gagnep. (Section Platycentrum )
- Begonia sibthorpioides Ridl. (Section Heeringia )
- Begonia sibutensis Sands
- Begonia siccacaudata Door. (Section Petermannia )
- Begonia sikkimensis A.DC. (Section Platycentrum )
- Begonia silletensis (A.DC.) CBClarke (Syn .: Casparya silletensis A.DC.) (Section Sphenanthera )
- Begonia simulans Merr. & LMPerry ( Petermannia Section)
- Begonia sino-vietnamica CYWu (Section Diploclinium )
- Begonia sinofloribunda Dorr (Syn .: Begonia floribunda TCKu) (Section Diploclinium )
- Begonia sinuata Wall. ex Meisn. ( Parvibegonia Section)
- Begonia sizemoreae Kiev ( Platycentrum section)
- Begonia sleumeri LBSm. & BGSchub. (Section Eupetalum )
- Begonia smilacina A.DC. (Section Wageneria )
- Begonia smithiae ETGeddes (Section Platycentrum )
- Begonia smithiana TTYu ex Irmsch. (Section Platycentrum )
- Begonia socia Craib ( Parvibegonia Section)
- Begonia socotrana Hook. f. (Section Peltaugustia )
- Begonia sodiroi C.DC. (Section Gobenia )
- Begonia sogerensis Ridl. (Section Petermannia )
- Begonia solananthera A.DC. (Section Solananthera )
- Begonia soli-mutata LBSm. & Wassh. ( Pritzelia Section)
- Begonia solitudinis Brade ( Pritzelia section )
- Begonia soluta Craib (Section Diploclinium )
- Begonia somervillei Hemsl. (Section Petermannia )
- Begonia sonderana Irmsch. ( Rostrobegonia Section)
- Begonia soror Irmsch. (Section Barya )
- Begonia sorsogonensis Elmer (Section Petermannia )
- Begonia sousae Burt-Utley (Section Gireoudia )
- Begonia spadiciflora LBSm. & BGSchub. (Section Gobenia )
- Begonia sparreana LBSm. & Wassh. (Section Knesebeckia )
- Begonia sparsipila Baker (Section Gireoudia )
- Begonia speluncae Ridl. (Section Reichenheimia )
- Begonia sphenocarpa Irmsch. (Section Petermannia )
- Begonia spilotophylla F. Muell. (Section Petermannia )
- Begonia spinibarbis Irmsch. ( Pritzelia Section)
- Begonia squamipes Irmsch. (Section Begonia )
- Begonia squamulosa Hook. f. (Section Tetraphila )
- Begonia squarrosa Liebm. (Section Gireoudia )
- Begonia staudtii Gilg (Section Loasibegonia )
- Begonia stellata Sosef (Section Loasibegonia )
- Begonia stenocardia LBSm. & BGSchub. (Section Knesebeckia )
- Begonia stenogyna Sands
- Begonia stenolepis LBSm. & RCSm. ( Pritzelia Section)
- Begonia stenophylla A.DC. ( Pritzelia Section)
- Begonia stenotepala LBSm. & BGSchub. (Section Begonia )
- Begonia steyermarkii LBSm. & BGSchub. (Section Doratometra )
- Begonia stictopoda (Miq.) A.DC. (Synonyms: Mitscherlichia stictopoda Miq.) (Section Reichenheimia )
- Begonia stigmosa Lindl. (Syn .: Begonia mexiae Standl.) (Section Gireoudia )
- Begonia stilandra Merr. & LMPerry ( Petermannia Section)
- Begonia stipulacea Willd. (Section Begonia )
- Begonia stipularis Spreng.
- Begonia stolzii Irmsch. (Section Augustia )
- Begonia strachwitzii Warb. ex Irmsch. (Section Petermannia )
- Begonia strictinervis Irmsch. (Section Petermannia )
- Begonia strictipetiolaris Irmsch. (Section Petermannia )
- Begonia strigillosa A.Dietr. (Section Gireoudia )
- Begonia strigosa (Warb.) LLForrest & Hollingsw. (Syn .: Symbegonia strigosa Warb.) (Section Symbegonia )
- Begonia strigulosa A.DC.
- Begonia subacida Irmsch. ( Pritzelia Section)
- Begonia subalpestris A. Chev. (Section Tetraphila )
- Begonia subcaudata Rusby ex LBSm. & BGSchub. ( Hydristyles section)
- Begonia subciliata A.DC. (Section Cyathocnemis )
- Begonia subcostata Rusby (section Doratometra )
- Begonia subcyclophylla Irmsch. (Section Diploclinium )
- Begonia subelliptica Merr. & LMPerry ( Petermannia Section)
- Begonia subhowii SHHuang (Section Platycentrum )
- Begonia sublobata Jack (Section Diploclinium )
- Begonia subnummularifolia Merr. (Section Diploclinium )
- Begonia suborbiculata Merr. (Section Diploclinium )
- Begonia subpeltata Wight ( Reichenheimia Section)
- Begonia subperfoliata Parish ex Kurz (Section Diploclinium )
- Begonia subprostrata Merr. (Section Petermannia )
- Begonia subscutata De Wild. (Section Tetraphila )
- Begonia subspinulosa Irmsch. (Section Cyathocnemis )
- Begonia subtruncata Merr. (Section Petermannia )
- Begonia subvillosa Klotzsch (section Begonia )
- Begonia subviridis Craib (Section Diploclinium )
- Begonia sudjanae C.-A.Jansson ( Reichenheimia Section)
- Begonia suffrutescens Merr. & LMPerry ( Petermannia Section)
- Begonia summoglabra TTYu (Section Diploclinium )
- Begonia suprafastigiata Irmsch. (Section Cyathocnemis )
- Begonia surculigera Kurz (Section Diploclinium )
- Begonia susaniae Sosef (Section Scutobegonia )
- Begonia sutherlandii Hook. f. (Section Augustia )
- Begonia sychnatha LBSm. & Wassh. (Section Reichenheimia )
- Begonia sylvatica Meisn. ex A.DC. ( Pritzelia Section)
- Begonia symbeccarii LLForrest & Hollingsw. (Syn .: Symbegonia beccarii Irmsch.) (Section Symbegonia )
- Begonia symbracteosa LLForrest & Hollingsw. (Syn .: Symbegonia bracteosa Warb.) (Section Symbegonia )
- Begonia symgeraniifolia LLForrest & Hollingsw. (Syn .: Symbegonia geraniifolia Ridl.) (Section Symbegonia )
- Begonia symhirta LLForrest & Hollingsw. (Syn .: Symbegonia hirta Ridl.) (Section Symbegonia )
- Begonia sympapuana LLForrest & Hollingsw. (Syn .: Symbegonia papuana Merr. & LMPerry) (Section Symbegonia )
- Begonia symparvifolia LLForrest & Hollingsw. (Syn .: Symbegonia parvifolia Gibbs) (Section Symbegonia )
- Begonia sympodialis Irmsch. (Section Petermannia )
- Begonia symsanguinea LLForrest & Hollingsw. (Syn .: Symbegonia sanguinea Warb.) (Section Symbegonia )
T
- Begonia tacanana Ziesenh. (Section Gireoudia )
- Begonia tafaensis Merr. & LM Perry (Section Petermannia )
- Begonia tafiensis Lillo (Section Eupetalum )
- Begonia taiwaniana Hayata (Section Diploclinium )
- Begonia taliensis Gagnep. (Section Diploclinium )
- Begonia tampinica Burkill ex Irmsch. (Section Platycentrum )
- Begonia tanala Humbert ex Bosser & Keraudren
- Begonia tapatia Burt-Utley & McVaugh (Section Quadriperigonia )
- Begonia tatoniana R. Wilczek (Section Tetraphila )
- Begonia tawaensis Merr. (Section Petermannia )
- Begonia tayabensis Merr. (Section Reichenheimia )
- Begonia tayloriana Irmsch. (Section Augustia )
- Begonia temburongensis Sands
- Begonia tenera Dryand. (Section Reichenheimia )
- Begonia tenericaulis Ridl. (Section Petermannia )
- Begonia tenuicaulis A.DC. (Section Eupetalum )
- Begonia tenuifolia Dryand. ( Parvibegonia Section)
- Begonia tessaricarpa CBClarke ( Sphenanthera section)
- Begonia tetrandra Irmsch. (Section Semibegoniella )
- Begonia teuscheri Linden ex André ( Pritzelia Section)
- Begonia teysmanniana (Miq.) Warb. (Syn .: Platycentrum teysmannianum Miq.) (Section Platycentrum )
- Begonia thaipingensis King ( Parvibegonia Section)
- Begonia thelmae LBSm. & Wassh.
- Begonia thiemei C.DC. ex Thursday Sm. (Section Gireoudia )
- Begonia thomeana C.DC. (Section Cristasemen )
- Begonia thomsonii A.DC. (Section Platycentrum )
- Begonia thyrsoidea Irmsch. (Section Quadriperigonia )
- Begonia tiliifolia C.DC. (Section Begonia )
- Begonia timorensis (Miq.) Golding & Kareg. (Syn .: Diploclinium timorense Miq.) ( Petermannia section)
- Begonia tiomanensis Ridl. (Section Platycentrum )
- Begonia toledana LBSm. & BGSchub. ( Casparya section)
- Begonia toledoana Handro ( Pritzelia section )
- Begonia tomentosa Schott ( Pritzelia Section)
- Begonia tominana Golding (Section Eupetalum )
- Begonia tonduzii C.DC. (Section Ruizopavonia )
- Begonia tonkinensis Gagnep. (Section Diploclinium )
- Begonia torricellensis Warb. (Section Petermannia )
- Begonia trapa LBSm. & BGSchub. ( Casparya section)
- Begonia trianae (A.DC.) Warb. (Syn .: Casparya trianae A.DC.) (Section Casparya )
- Begonia tribenensis CRRao (Section Diploclinium )
- Begonia tribracteata Irmsch. (Section Cyathocnemis )
- Begonia trichocarpa Dalzell ( Reichenheimia Section)
- Begonia trichopoda Miq. (sect. Reichenheimia)
- Begonia trichosepala C.DC. (Section Weilbachia )
- Begonia tricuspidata CBClarke (Section Alicida )
- Begonia trigoncarpa Ridl. (Section Sphenanthera )
- Begonia triradiata CBClarke (Section Alicida )
- Begonia triramosa Irmsch. (Section Knesebeckia )
- Begonia trispathulata (A.DC.) Warb. (Syn .: Casparya trispathulata A.DC.) (Section Casparya )
- Begonia tropaeolifolia A.DC. (Section Gobenia )
- Begonia trujillensis LBSm. ( Casparya section)
- Begonia trullifolia Guillaumin
- Begonia truncatiloba Irmsch. (Section Platycentrum )
- Begonia truncicola Soderstr. ex C.DC. (Section Gobenia )
- Begonia tsaratananensis Aymonin & Bosser (Section Quadrilobaria )
- Begonia tsimihety Humbert ex Bosser & Keraudren (Section Erminea )
- Begonia tsoongii CYWu (Section Platycentrum )
- Begonia × tuberhybrida Voss (Syn .: Begonia tuberosa hort.)
- Begonia tumbezensis Irmsch. (Section Eupetalum )
- Begonia turbinata Ridl. (Section Sphenanthera )
- Begonia turrialbae Burt-Utley & Utley (Section Weilbachia )
U
- Begonia udisilvestris C.DC. (Section Parietoplacentalia )
- Begonia ulmifolia Willd. (Section Donaldia )
- Begonia umbellata Kunth ( Casparya section)
- Begonia umbraculifera Hook. f. ( Pritzelia Section)
- Begonia umbraculifolia Y.Wan & BNChang (Section Coelocentrum )
- Begonia unduavensis Rusby ( Hydristyles Section)
- Begonia undulata Schott (Section Gaerdtia )
- Begonia uniflora S.Watson (Section Knesebeckia )
- Begonia unilateralis Rusby ( Hydristyles section)
- Begonia urdanetensis Elmer ( Petermannia Section)
- Begonia urophylla Hook. (Section Gireoudia )
- Begonia ursina LBSm. & BGSchub. ( Casparya section)
- Begonia urticae L. f. ( Casparya section)
- Begonia uruapensis Sessé & Moc. (Section Quadriperigonia )
- Begonia urunensis Kiev ( Petermannia Section)
V
- Begonia vagans Craib ( Parvibegonia Section)
- Begonia valdensium A.DC. ( Pritzelia Section)
- Begonia valerioi Standl. (Section Weilbachia )
- Begonia valida KIGoebel ( Pritzelia Section)
- Begonia valvata LBSm. & BGSchub. (Section Semibegoniella )
- Begonia vanderwateri Ridl. (Section Petermannia )
- Begonia vankerckhovenii De Wild. (Section Scutobegonia )
- Begonia vanoverberghii Merr. (Section Diploclinium )
- Begonia vareschii Irmsch. ( Casparya section)
- Begonia variabilis Ridl. ( Parvibegonia Section)
- Begonia varistyla Irmsch. (Section Ruizopavonia )
- Begonia veitchii Hook. f. (Section Eupetalum )
- Begonia velata LBSm. & BGSchub. (Section Knesebeckia )
- Begonia velloziana Walp. ( Trachelocarpus Section)
- Begonia venosa Skan ex Hook. f. (Section Begonia )
- Begonia venusta King (Section Platycentrum )
- Begonia verruculosa LBSm. ( Pritzelia Section)
- Begonia versicolor Irmsch. (Section Platycentrum )
- Begonia vestita C.DC. (Section Gireoudia )
- Begonia vicina Irmsch. ( Pritzelia Section)
- Begonia villifolia Irmsch. (Section Platycentrum )
- Begonia vincentiana OESchulz (Section Begonia )
- Begonia violifolia A.DC. (Section Weilbachia )
- Begonia viridiflora A.DC. (Section Cyathocnemis )
- Begonia viscida Ziesenh. (Section Knesebeckia )
- Begonia vitensis ACSm. (Section Diploclinium )
- Begonia vittarifolia N. Hallé (Section Scutobegonia )
- Begonia vuijckii Coord. ( Reichenheimia Section)
W.
Begonia wollnyi , it is a shrub begonia .
- Begonia wadei Merr. & Quisumb. (Section Diploclinium )
- Begonia wagenerana Hook. (Section Cyathocnemis )
- Begonia wakefieldii Gilg ex Engl. (Section Augustia )
- Begonia wallichiana clay. (Section Doratometra )
- Begonia walteriana Irmsch. (Section Petermannia )
- Begonia wangii TTYu (Section Diploclinium )
- Begonia warburgii K.Schum. & Lauterb. (Section Petermannia )
- Begonia Wariana Irmsch. (Section Petermannia )
- Begonia wattii CBClarke (sect. Parvibegonia )
- Begonia weberbaueri Irmsch. (Section Eupetalum )
- Begonia weberi Merr. (Section Petermannia )
- Begonia weberlingii Irmsch. (Section Knesebeckia )
- Begonia weddelliana A.DC. (Section Knesebeckia )
- Begonia weigallii Hemsl. (Section Petermannia )
- Begonia wengeri CEC fish. (Section Diploclinium )
- Begonia wenshanensis CMHu (Section Diploclinium )
- Begonia wenzelii Merr. (Section Petermannia )
- Begonia wilksii Sosef (Section Scutobegonia )
- Begonia wilsonii Gagnep. (Section Reichenheimia )
- Begonia windischii LBSm. ex SFSm. & Wassh. ( Pritzelia Section)
- Begonia wollastonii Baker f. ( Rostrobegonia Section)
- Begonia wollnyi Duke (sect. Knesebeckia )
- Begonia woodii Merr. (Section Diploclinium )
- Begonia wrayi Hemsl. (Syn .: Begonia pseudisoptera Irmsch.) (Section Petermannia )
- Begonia wrightiana A.DC. (Section Begonia )
- Begonia wurdackii LBSm. & BGSchub. (Section Gobenia )
X
- Begonia xanthina Hook. (Section Platycentrum )
- Begonia xerophyta LBSm. & Wassh. (Section Eupetalum )
- Begonia xilitlensis Burt-Utley (Section Gireoudia )
- Begonia xingyiensis TCKu (Section Diploclinium )
- Begonia xiphophylla Irmsch. (Section Petermannia )
- Begonia xishuiensis TCKu (Section Diploclinium )
- Begonia xylopoda LBSm. & BGSchub. (Section Ruizopavonia )
Y
- Begonia yappii Ridl. (Section Diploclinium )
- Begonia yingjiangensis SHHuang (Section Platycentrum )
- Begonia yishanensis TCKu (Section Coelocentrum )
- Begonia ynesiae LBSm. & Wassh. (Section Gobenia )
- Begonia yui Irmsch. (Section Diploclinium )
- Begonia yunckeri Standl.
- Begonia yunnanensis Lév. (Section Diploclinium )
Z
- Begonia zairensis Sosef (Section Scutobegonia )
- Begonia zamboangensis Merr. (Section Petermannia )
- Begonia zenkeriana LBSm. & Wassh. (Section Scutobegonia )
- Begonia zhengyiana YMShui (Section Coelocentrum )
- Begonia zimmermannii Peter ex Irmsch. (Section Tetraphila )
- Begonia Zollingeriana A.DC. ( Parvibegonia Section)