Ageratina shastensis

Vulnerable  (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Ageratina
Species:
A. shastensis
Binomial name
Ageratina shastensis
(Taylor & Stebbins) R. M. King & H. Rob.
Synonyms[2]

Eupatorium shastensis Taylor & Stebbins

Ageratina shastensis is a species of snakeroot which is endemic to Shasta County, California. It is known by the common names Mt. Shasta snakeroot and Shasta eupatorium.[3][4][5]

Description

Ageratina shastensis is a woody perennial which bears unassuming fluffy white flowers about a centimeter wide. It is an uncommon plant which grows in the cracks of limestone cliffs of the Mount Shasta, part of the Cascade Range.[6]

Etymology

Ageratina is derived from Greek meaning 'un-aging', in reference to the flowers keeping their color for a long time. This name was used by Dioscorides for a number of different plants.[7]

References

  1. ↑ "NatureServe Explorer - Ageratina shastensis". NatureServe Explorer Ageratina shastensis. NatureServe. 2022-05-30. Retrieved 30 May 2022.
  2. ↑ "Ageratina shastensis (D.W.Taylor & Stebbins) R.M.King & H.Rob.". The Global Compositae Checklist (GCC) – via The Plant List. Note that this website has been superseded by World Flora Online
  3. ↑ Nesom, Guy L. (2006). "Ageratina shastensis". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 21. New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  4. ↑ "Ageratina shastensis". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
  5. ↑ "Ageratina shastensis". Calflora. Berkeley, California: The Calflora Database.
  6. ↑ Keil, David J.; Powell, A. Michael (1993). "Ageratina shastensis". In Hickman, James C. (ed.). The Jepson Manual: Higher Plants of California. University and Jepson Herbaria.
  7. ↑ Gledhill, David (2008). "The Names of Plants". Cambridge University Press. ISBN 9780521866453 (hardback), ISBN 9780521685535 (paperback). pp 39


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