Pterocaulon

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Pterocaulon
Pterocaulon sphacelatum habit.jpg
Pterocaulon sphacelatum
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Inuleae
Genus: Pterocaulon
Elliott
Type species
Conyza pycnostachya
(basionym of
Pterocaulon pycnostachyum)
Synonyms [1]
  • MonentelesLabill.
  • ChlaenobolusCass.

Pterocaulon is a genus of flowering plants in the sunflower family, native to North and South America and to Australasia. [2] [3] Blackroot is a common name for species native to North America. [4]

The plants are perennial herbs, frequently densely covered with woolly hairs. The generic name means "winged stem," referring to the decurrent leaf bases that give the appearance of wings running down the sides of the stems. [5] [6]

Species [1] [7] [8]

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References

  1. 1 2 Flann, C (ed) 2009+ Global Compositae Checklist Archived 2014-11-30 at archive.today
  2. Elliott, Stephen. Sketch of the Botany of South-Carolina and Georgia 2(4): 323–324. 1824 short descriptions in parallel English and Latin, longer descriptions in English
  3. Tropicos, Pterocaulon Elliott
  4. USDA, NRCS (n.d.). "Pterocaulon". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 15 October 2015.
  5. Flora of North America v 21 p 476, Pterocaulon Elliott
  6. Cabrera, A. L. and A. M. Ragonese. 1978. Revisión del género Pterocaulon (Compositae). Darwiniana 21: 185–257.
  7. The Plant List search for Pterocaulon
  8. Biota of North America Program 2013 county distribution maps