Dehaasia: Difference between revisions
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{{Short description|Genus of flowering plants}}
{{Cleanup bare URLs|date=August 2022}}
{{automatic taxobox
|name = ''Dehaasia''▼
|image =002 Taiping Lake Garden Trees.jpg
|image_caption = Trees with the white bark in Taiping (Malaysia)
|authority = [[Carl Ludwig Blume|Blume]]
|subdivision_ranks = Species
|subdivision = see text
'''''Dehaasia''''' is a genus of [[evergreen]] or [[deciduous]] trees or shrubs belonging to the
They are [[hermaphroditic]] [[shrub]]s, or [[tree]]s of medium size up to 5 m tall.<ref
About
▲They are hermaphroditic [[shrub]]s, or [[tree]]s of medium size up to 5 m tall.<ref>http://flora.huh.harvard.edu/china/PDF/PDF07/Dehaasia.pdf</ref> in tropical montane forest, lowland rainforest,<ref>http://www.wildsidephotography.ca/gallery/Database/26000_G</ref> subtropical coastal lowland rainforest, [[Cloud forest]], and [[Laurel forest]].
''[[Alseodaphne]], Dehaasia'' and ''[[Nothaphoebe]]'' are, morphologically, three closely related but different genera in a subgroup near to genus ''[[Persea]]
▲About 35 species in Cambodia, China, Indonesia, Laos, Malaysia, Myanmar, Philippines, Thailand, Vietnam, with the center of diversity in west Malaysia; three species in China, two endemic.<ref name="harvard1">http://flora.huh.harvard.edu/china/PDF/PDF07/Dehaasia.pdf</ref>
The [[leaf|leaves]] are bright green to dark green, alternate,<ref name=FOC>[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=109471 ''Dehaasia'' in Flora of China 7: 224–225. 2008]</ref><ref>{{Cite web|url=http://www.efloras.org/object_page.aspx?object_id=112365&flora_id=2|title = Illustration: Dehaasia hainanensis}}</ref> oblong to lanceolate to almost elliptical, acuminate, and slightly cut at the base.
▲[[Alseodaphne]], Dehaasia and [[Nothaphoebe]] are, morphologically, three closely related but different genera in a subgroup near to [[Persea]] genus.
▲The leaves are oblong to lanceolate to almost elliptical, acuminate and slightly cut at the base. The leaves are leathery in texture, glossy on both sides, dark green on the upper face more intense, sometimes with small blisters on the underside.
The trunk is rough and irregular, covered usually with a paper [[Bark (botany)|bark]], whitish or gray, smooth and easy to peel
The
The oblong
The [[fruit]] is black-dark and shiny, generally scarlet, but sometimes yellow or green.<ref>http://131.230.176.4/cgi-bin/dol/dol_terminal.pl?taxon_name=Dehaasia_cairocan&rank=binomial{{Dead link|date=January 2024 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> Usually ovoid, rarely globose with
==Species==
Some names in the repository Global Names Index of uBio:<ref>{{cite web|url=http://gni.globalnames.org/data_sources/2?search_term=ns%3ADEH* |title=Global Names Index |publisher=Gni.globalnames.org |date= |accessdate=2011-11-11}}</ref>
*''[[Dehaasia acuminata]]'' [[Koord.]] & [[Valeton]]
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*''[[Dehaasia borneensis]]'' [[Fern.-Vill.]]
*''[[Dehaasia brachybotrys]]'' ([[Merr.]]) Kosterm.
*''[[Dehaasia Blume]], 1837.▼
*''[[Dehaasia caesia]] Blume.
* ''[[Dehaasia cairocan]]'' (Vidal) C.K. Allen.
* ''[[Dehaasia candolleana]]'' ([[Carl Meissner|Meisn.]]) Kosterm.
* ''[[Dehaasia celebica]]'' Kosterm.
* ''[[Dehaasia
* ''[[Dehaasia
* ''[[Dehaasia
* ''[[Dehaasia gigantocarpa]]''
* ''[[Dehaasia hainanensis]]''
* ''[[Dehaasia hirsuta]]''
* ''[[Dehaasia incrassata]]''
* ''[[Dehaasia kwangtungensis]]''
* ''[[Dehaasia lancifolia]]''
* ''[[Dehaasia longipedicellata]]''
* ''[[Dehaasia longipetiolata]]''
* ''[[Dehaasia membranacea]]''
* ''[[Dehaasia nitida]]''
* ''[[Dehaasia palembanica]]''
* ''[[Dehaasia paradoxa]]''
* ''[[Dehaasia pauciflora]]''
* ''[[Dehaasia polyneura]]''
* ''[[Dehaasia purpurea]]''
* ''[[Dehaasia rangamattiensis]]''
* ''[[Dehaasia subcaesia]]''
* ''[[Dehaasia suborbicularis]]''
* ''[[Dehaasia sumatrana]]''
* ''[[Dehaasia sumbaensis]]''
* ''[[Dehaasia teijsmannii]]''
* ''[[Dehaasia titanophylla]]''
* ''[[Dehaasia tomentosa]]''
* ''[[Dehaasia turfosa]]''
* ''[[Dehaasia velutinosa]]''
==References==
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==External links==
{{Wikispecies | Lauraceae}}
{{Commons category
* [http://lauraceae.myspecies.info/category/lauraceae/lauraceae/dehaasia A synopsis of the genus Dehaasia Bl. (Lauraceae)]
* [http://lauraceae.myspecies.info/category/lauraceae/lauraceae/dehaasia Chemical constituents from Dehaasia triandra. 1. Three new alkaloids, isocorydione, norisocorydione, and dehatriphine, from the leaves]
* [http://lauraceae.myspecies.info/category/lauraceae/lauraceae/dehaasia Chemical constituents from Dehaasia triandra. II. Five new alkaloids, secoxanthoplanine, dehydroisocorydione, 11, 8′-O-bisisocorydine,(8, 8′-R)-and (8, 8′-S)]
{{Taxonbar|from=Q5252203}}
[[Category:Lauraceae]]▼
▲[[Category:Lauraceae genera]]
▲[[es:Dehaasia]]
[[
|
Latest revision as of 11:04, 24 January 2024
Dehaasia | |
---|---|
Trees with the white bark in Taiping (Malaysia) | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Magnoliids |
Order: | Laurales |
Family: | Lauraceae |
Genus: | Dehaasia Blume |
Species | |
see text |
Dehaasia is a genus of evergreen or deciduous trees or shrubs belonging to the laurel family, Lauraceae, with 53 species[citation needed] native to continental Asia, from India to China, and islands of Borneo, New Guinea, and Indonesia.
They are hermaphroditic shrubs, or trees of medium size up to 5 m tall.[1] in tropical montane forest, lowland rainforest,[2] subtropical coastal lowland rainforest, cloud forest, and laurel forest. About 38[3] accepted species are found in Cambodia, China, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Thailand, and Vietnam, with the center of diversity in west Malaysia; three species occur in China, two endemic.[1] Alseodaphne, Dehaasia and Nothaphoebe are, morphologically, three closely related but different genera in a subgroup near to genus Persea.
The leaves are bright green to dark green, alternate,[1][4] oblong to lanceolate to almost elliptical, acuminate, and slightly cut at the base. They are leathery in texture, glossy on both sides, dark green on the upper face more intense, sometimes with small blisters on the underside.
The trunk is rough and irregular, covered usually with a paper bark, whitish or gray, smooth and easy to peel, with the xylem yellow. Some species with multiple stems or trunks are strongly branched from the base. The young branches are slender, angular, smoothly integumented, with visible signs of scars and sometimes reddish areas of recent growth. The branchlets are yellow-white at first, but a little gray later, thin, glabrous, warty, lenticellated with distinctive leaf scars, the young more or less angled.
The leaves are grouped at the tip of the twigs.[1] The inflorescences form in the axils, are generally thin with many bracts and few flowers, usually upright and branched at right angles.[1] Dehaasia species have "perfect flowers", possessing both male and female parts.
The oblong fruit, hard or fleshy, are conformed to attract animals and frequently are brightly colored with sometimes a thickened, strikingly colored stem at the junction of the peduncle part with the fruit. The fruit is black-dark and shiny, generally scarlet, but sometimes yellow or green.[5] Usually ovoid, rarely globose with a fleshy and meaty exocarp. Some species have a red or scarlet dome.[6] Seed dispersal of Dehaasia species is by vertebrates mostly. They are eaten by frugivorous bats and birds (columbiformes) and several insects such as ants.
Species[edit]
Some names in the repository Global Names Index of uBio:[7]
- Dehaasia acuminata Koord. & Valeton
- Dehaasia annamensis Kosterm.
- Dehaasia assamica Kosterm.
- Dehaasia borneensis Fern.-Vill.
- Dehaasia brachybotrys (Merr.) Kosterm.
- Dehaasia caesia Blume.
- Dehaasia cairocan (Vidal) C.K. Allen.
- Dehaasia candolleana (Meisn.) Kosterm.
- Dehaasia celebica Kosterm.
- Dehaasia corynantha Kosterm.
- Dehaasia cuneata
- Dehaasia firma
- Dehaasia gigantocarpa
- Dehaasia hainanensis
- Dehaasia hirsuta
- Dehaasia incrassata
- Dehaasia kerrii
- Dehaasia kurzii
- Dehaasia kwangtungensis
- Dehaasia lancifolia
- Dehaasia longipedicellata
- Dehaasia longipetiolata
- Dehaasia membranacea
- Dehaasia nitida
- Dehaasia palembanica
- Dehaasia paradoxa
- Dehaasia pauciflora
- Dehaasia polyneura
- Dehaasia purpurea
- Dehaasia rangamattiensis
- Dehaasia subcaesia
- Dehaasia suborbicularis
- Dehaasia sumatrana
- Dehaasia sumbaensis
- Dehaasia teijsmannii
- Dehaasia titanophylla
- Dehaasia tomentosa
- Dehaasia turfosa
- Dehaasia velutinosa
References[edit]
- ^ a b c d e Dehaasia in Flora of China 7: 224–225. 2008
- ^ http://www.wildsidephotography.ca/gallery/Database/26000_G
- ^ "Dehaasia — the Plant List".
- ^ "Illustration: Dehaasia hainanensis".
- ^ http://131.230.176.4/cgi-bin/dol/dol_terminal.pl?taxon_name=Dehaasia_cairocan&rank=binomial[permanent dead link]
- ^ "Dehaasia cairocan (Lauraceae) image 24856 at PhytoImages.siu.edu".
- ^ "Global Names Index". Gni.globalnames.org. Retrieved 2011-11-11.
External links[edit]
- A synopsis of the genus Dehaasia Bl. (Lauraceae)
- Chemical constituents from Dehaasia triandra. 1. Three new alkaloids, isocorydione, norisocorydione, and dehatriphine, from the leaves
- Chemical constituents from Dehaasia triandra. II. Five new alkaloids, secoxanthoplanine, dehydroisocorydione, 11, 8′-O-bisisocorydine,(8, 8′-R)-and (8, 8′-S)