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{{Short description|Genus of plants}}
{{Taxobox
{{Automatic taxobox
| image = Roldana trichomes on phyllaries.JPG
|image = Senecio_petasitis_Blüte.jpg
| image_width = 260px
| image_caption = ''Roldana'' trichomes on phyllaries
|image_caption = ''[[Roldana petasitis]]''
|display_parents = 2
| regnum = [[Plant]]ae
|taxon = Roldana
| divisio = [[Magnoliophyta]]
|authority = [[Pablo de La Llave|La Llave]] ex [[Juan José Martinez de Lexarza|Lex.]]
| classis = [[Magnoliopsida]]
|type_species_authority = [[Pablo de La Llave|La Llave]]
| subclassis = [[Asteridae]]
| unranked_ordo = [[Euasterids II]]
|type_species = ''[[Roldana lobata]]''
|synonyms_ref = <ref name=r>[http://dixon.iplantcollaborative.org/CompositaeWeb/Default.aspx?Page=AdvNameSearch Flann, C (ed) 2009+ Global Compositae Checklist ] {{webarchive|url=https://archive.today/20141106174748/http://dixon.iplantcollaborative.org/CompositaeWeb/Default.aspx?Page=AdvNameSearch |date=2014-11-06 }}</ref>
| ordo = [[Asterales]]
|synonyms =
| familia = [[Asteraceae]]
* ''Pericalia'' <small>Cass.</small>
| subfamilia = [[Asteroideae]]
* ''Senecio'' sect. ''Palmatinervii'' <small>Greenm.</small>
| tribus = [[Senecioneae]]
| genus = '''''Roldana'''''
| genus_authority = [[Pablo de La Llave|La Llave]] ex [[Juan José Martinez de Lexarza|Lex.]]
| type_species = ''[[Roldana lobata]]''
| subdivision_ranks = Species
| subdivision =
See text
| synonyms =
''Pericalia'' <small>Cass.</small><br />
''Senecio'' <small>L.</small><br />
Sources: ING,<ref name="ing">{{cite web
| url = http://botany.si.edu/ing/INGsearch.cfm?searchword=Roldana
| title = ''Roldana''
| accessdate = 2008-05-21
| date = 2006-02-20
| format = HTML
| work = Index Nominum Genericorum
| publisher = [[International Association for Plant Taxonomy]]
}}</ref> GRIN<ref name="GRIN">{{cite web
| url = http://www.ars-grin.gov/cgi-bin/npgs/html/genus.pl?16329
| title = Genus: ''Roldana'' La Llave
| accessdate = 2008-05-23
| author = Germplasm Resources Information Network (GRIN)
| authorlink = Germplasm Resources Information Network
| date = 2005-10-26
| format = HTML
| work = Taxonomy for Plants
| publisher = [[United States Department of Agriculture|USDA]], [[Agricultural Research Service|ARS]], National Genetic Resources Program, National Germplasm Resources Laboratory, Beltsville, Maryland
}}</ref>
}}
}}

'''''Roldana''''' also known as '''[[groundsel]]''' is a [[genus]] of large herbs or sub[[shrub]]s from the tribe [[Senecioneae]] and the family [[Asteraceae]]. Most if not all of its members used to be ''[[Senecio]]''. There are approximately 50 species which are native to [[Southwest United States]], [[Mexico]] and [[Central America]] and naturalized elsewhere.<ref name="FNA">{{cite journal
'''''Roldana''''' also known as '''[[groundsel]]''' is a [[genus]] of large herbs or sub[[shrub]]s from the tribe [[Senecioneae|groundsel tribe]] within the [[Asteraceae|sunflower family]].<ref>La Llave, Pablo de & Lexarza, Juan José Martinez de. 1825. Novorum Vegetabilium Descriptiones 2: 10</ref><ref>[https://www.biodiversitylibrary.org/page/12995396#page/68/mode/1up Turner, B. L. 2006. A recension of the Mexican species of ''Roldana'' (Asteraceae: Senecioneae). Phytologia 87(3): 204–249. ]</ref><ref>[http://www.tropicos.org/Name/40026700 Tropicos, ''Roldana'' La Llave ]</ref>

Most if not all of its members used to be members of a related genus, ''[[Senecio]]''. The species which are native to [[Southwest United States]], [[Mexico]] and [[Central America]] and naturalized elsewhere.<ref name="FNA">{{cite journal
| last =Funston
| last =Funston
| first =A. Michele
| first =A. Michele
Line 48: Line 23:
| volume =20
| volume =20
| pages = Page 542,'''620'''
| pages = Page 542,'''620'''
| accessdate = 2008-05-23 }}</ref><ref name="anbg">{{cite web
}}</ref><ref name="anbg">{{cite web
| url = http://www.anbg.gov.au/abrs/abif/flora/stddisplay.xsql?pnid=5973
| url = http://www.anbg.gov.au/abrs/abif/flora/stddisplay.xsql?pnid=5973
| title = ''ROLDANA''
| title = ''ROLDANA''
| accessdate = 2008-05-23
| accessdate = 2008-05-23
| format = HTML
| work = Flora of Australia Online
| work = Flora of Australia Online
}}</ref>
}}</ref>


; Species<ref name=r/>
==Selected species==
{{columns-list|colwidth=30em|
*''[[Roldana hartwegii]]'' (Benth.) H. Rob. & Brettel -- Hartweg's groundsel
* ''[[Roldana albonervia]]'' - from [[Jalisco]] to [[Guatemala]]
:*''Senecio hartwegii'' Benth.
*''[[Roldana petasitis]]'' (Sims) H. Rob. & Brettell -- velvet groundsel
* ''[[Roldana angulifolia]]'' - central [[Mexico]]
* ''[[Roldana anisophylla]]'' - [[Oaxaca]]
:*''Senecio petasitis'' (Sims) DC.
* ''[[Roldana barba-johannis]]'' - from [[Hidalgo (state)|Hidalgo]] to [[Honduras]]
Source: NRCS<ref name="NRCS">{{cite web
* ''[[Roldana calzadana]]'' - [[Oaxaca]]
| url = http://plants.usda.gov/java/profile?symbol=ROLDA
* ''[[Roldana chapalensis]]'' - central [[Mexico]]
| title = PLANTS Profile, ''Roldana''
* ''[[Roldana chiapensis]]'' - [[Chiapas]]
| accessdate = 2008-05-23
* ''[[Roldana cordovensis]]'' - central [[Mexico]]
| author = Natural Resources Conservation Service (NRCS)
* ''[[Roldana cristobalensis]]'' - [[Oaxaca]], [[Chiapas]], [[Guatemala]]
| authorlink = Natural Resources Conservation Service
* ''[[Roldana ehrenbergiana]]'' - central [[Mexico]]
| format = HTML
* ''[[Roldana eriophylla]]'' - [[Oaxaca]], [[Chiapas]], [[Guatemala]]
| work = The PLANTS Database
* ''[[Roldana floresiorum]]'' - [[Jalisco]]
| publisher = [[United States Department of Agriculture]]
* ''[[Roldana galiciana]]'' - [[Jalisco]]
}}</ref>
* ''[[Roldana gesneriifolia]]'' - [[Durango]]
* ''[[Roldana gilgii]]'' - [[Chiapas]], [[Guatemala]]
* ''[[Roldana gonzaleziae]]'' - [[Jalisco]], [[Durango]]
* ''[[Roldana grimesii]]'' - northeastern [[Mexico]]
* ''[[Roldana guadalajarensis]]'' - west-central [[Mexico]]
* ''[[Roldana hartwegii]]'' - [[Arizona|AZ]] [[New Mexico|NM]] [[Texas|TX]], northwestern [[Mexico]]
* ''[[Roldana hederifolia]]'' - [[Michoacán]], [[Oaxaca]]
* ''[[Roldana heracleifolia]]'' - central [[Mexico]]
* ''[[Roldana heterogama]]'' - [[Chiapas]], [[Central America]]
* ''[[Roldana heteroidea]]'' - [[Oaxaca]]
* ''[[Roldana hirsuticaulis]]'' - northeastern [[Mexico]]
* ''[[Roldana jurgensenii]]'' - from [[Oaxaca]]to [[Honduras]]
* ''[[Roldana kerberi]]'' - [[Colima]], [[Jalisco]], [[Oaxaca]]
* ''[[Roldana langlassei]]'' - [[Guerrero]]
* ''[[Roldana lanicaulis]]'' - from [[Tamaulipas]] to [[Guatemala]]
* ''[[Roldana lobata]]'' - from [[Jalisco]] to [[Guatemala]]
* ''[[Roldana manantlanensis]]'' - [[Jalisco]]
* ''[[Roldana marquesii]]'' - [[Veracruz]], [[Hidalgo (state)|Hidalgo]]
* ''[[Roldana metepeca]]'' - central [[Mexico]]
* ''[[Roldana mexicana]]'' - central [[Mexico]]
* ''[[Roldana mezquitalana]]'' - [[Jalisco]], [[Durango]]
* ''[[Roldana mixtecana]]'' - [[Oaxaca]]
* ''[[Roldana neogibsonii]]'' - central [[Mexico]]
* ''[[Roldana nesomiorum]]'' - [[Nuevo León]], [[Tamaulipas]]
* ''[[Roldana oaxacana]]'' - [[Oaxaca]]
* ''[[Roldana pennellii]]'' - [[Durango]]
* ''[[Roldana petasitis]]'' - from [[Nicaragua]] to [[Hidalgo (state)|Hidalgo]]
* ''[[Roldana pinetorum]]'' - [[Guerrero]], [[Oaxaca]]
* ''[[Roldana platanifolia]]'' - from [[Tamaulipas]] to [[Oaxaca]]
* ''[[Roldana reglensis]]'' - [[Veracruz]]
* ''[[Roldana reticulata]]'' - central [[Mexico]]
* ''[[Roldana robinsoniana]]'' - western [[Mexico]]
* ''[[Roldana sartorii]]'' - [[Oaxaca]]
* ''[[Roldana scandens]]'' - [[Costa Rica]]
* ''[[Roldana schaffneri]]'' - from [[Nicaragua]] to [[Veracruz]]
* ''[[Roldana sinuata]]'' - from [[Jalisco]]to [[Oaxaca]]
* ''[[Roldana subpeltata]]'' - [[Durango]], [[Sinaloa]]
* ''[[Roldana sundbergii]]'' - [[Nuevo León]], [[Tamaulipas]]
* ''[[Roldana tepopana]]'' - [[Sonora]]
* ''[[Roldana tlacotepecana]]'' - [[Guerrero]]
* ''[[Roldana tonii]]'' - [[Chiapas]]
}}
; formerly included<ref name=r/>
several species now regarded as better suited to other genera: ''[[Senecio]] [[Trixis]]''

'Cristobalensis', 'sartorii' and 'oaxacana' are accepted as [[Variety (botany)|varieties]] of [[Roldana petasitis]].<ref>[https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77095585-1 Roldana petasitis var. cristobalensis (Greenm.) Funston]Board of Trustees of the Royal Botanic Gardens, Kew Retrieved 12 April 2023.</ref><ref>[https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77095587-1 Roldana petasitis var. sartorii (Sch.Bip. ex Hemsl.) Funston] Board of Trustees of the Royal Botanic Gardens, Kew Retrieved 12 April 2023.</ref><ref>[https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77095586-1 Roldana petasitis var. oaxacana (Hemsl.) Funston] Board of Trustees of the Royal Botanic Gardens, Kew Retrieved 12 April 2023.</ref>


==References==
==References==
{{reflist}}
{{Reflist}}


==External links==
==External links==
{{commonscat-inline}}
{{Commons category-inline}}

{{Taxonbar|from=Q7360613}}


[[Category:Senecioneae]]
[[Category:Senecioneae]]
[[Category:Asteraceae genera]]
[[Category:Asteraceae genera]]
[[Category:Flora of Northern America]]




Latest revision as of 08:58, 22 April 2024

Roldana
Roldana petasitis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Senecioneae
Genus: Roldana
La Llave ex Lex.
Type species
Roldana lobata
Synonyms[1]
  • Pericalia Cass.
  • Senecio sect. Palmatinervii Greenm.

Roldana also known as groundsel is a genus of large herbs or subshrubs from the tribe groundsel tribe within the sunflower family.[2][3][4]

Most if not all of its members used to be members of a related genus, Senecio. The species which are native to Southwest United States, Mexico and Central America and naturalized elsewhere.[5][6]

Species[1]
formerly included[1]

several species now regarded as better suited to other genera: Senecio Trixis

'Cristobalensis', 'sartorii' and 'oaxacana' are accepted as varieties of Roldana petasitis.[7][8][9]

References[edit]

  1. ^ a b c Flann, C (ed) 2009+ Global Compositae Checklist Archived 2014-11-06 at archive.today
  2. ^ La Llave, Pablo de & Lexarza, Juan José Martinez de. 1825. Novorum Vegetabilium Descriptiones 2: 10
  3. ^ Turner, B. L. 2006. A recension of the Mexican species of Roldana (Asteraceae: Senecioneae). Phytologia 87(3): 204–249.
  4. ^ Tropicos, Roldana La Llave
  5. ^ Funston, A. Michele. "230. Roldana La Llave". Flora of North America. 20: Page 542, 620.
  6. ^ "ROLDANA". Flora of Australia Online. Retrieved 2008-05-23.
  7. ^ Roldana petasitis var. cristobalensis (Greenm.) FunstonBoard of Trustees of the Royal Botanic Gardens, Kew Retrieved 12 April 2023.
  8. ^ Roldana petasitis var. sartorii (Sch.Bip. ex Hemsl.) Funston Board of Trustees of the Royal Botanic Gardens, Kew Retrieved 12 April 2023.
  9. ^ Roldana petasitis var. oaxacana (Hemsl.) Funston Board of Trustees of the Royal Botanic Gardens, Kew Retrieved 12 April 2023.

External links[edit]

Media related to Roldana at Wikimedia Commons


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