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Roldana
Roldana trichomes on phyllaries
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Senecioneae
Genus: Roldana
La Llave ex Lex.
Type species
Roldana lobata
Species

See text

Synonyms

Pericalia Cass.
Senecio L.
Sources: ING,[1] GRIN[2]

Roldana also known as groundsel is a genus of large herbs or subshrubs 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.[3][4]

Selected species

  • Roldana hartwegii (Benth.) H. Rob. & Brettel -- Hartweg's groundsel
  • Senecio hartwegii Benth.
  • Senecio petasitis (Sims) DC.

Source: NRCS[5]

References

  1. ^ "Roldana" (HTML). Index Nominum Genericorum. International Association for Plant Taxonomy. 2006-02-20. http://botany.si.edu/ing/INGsearch.cfm?searchword=Roldana. Retrieved 2008-05-21.  
  2. ^ Germplasm Resources Information Network (GRIN) (2005-10-26). "Genus: Roldana La Llave" (HTML). Taxonomy for Plants. USDA, ARS, National Genetic Resources Program, National Germplasm Resources Laboratory, Beltsville, Maryland. http://www.ars-grin.gov/cgi-bin/npgs/html/genus.pl?16329. Retrieved 2008-05-23.  
  3. ^ Funston, A. Michele. "230. Roldana La Llave". Flora of North America 20: Page 542,620.  
  4. ^ "ROLDANA" (HTML). Flora of Australia Online. http://www.anbg.gov.au/abrs/abif/flora/stddisplay.xsql?pnid=5973. Retrieved 2008-05-23.  
  5. ^ Natural Resources Conservation Service (NRCS). "PLANTS Profile, Roldana" (HTML). The PLANTS Database. United States Department of Agriculture. http://plants.usda.gov/java/profile?symbol=ROLDA. Retrieved 2008-05-23.  

External links

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