Ageratina paupercula

Ageratina paupercula, called the Santa Rita snakeroot, is a North American species of shrubs or perennial herbs in the sunflower family. It is found only in the states of Arizona, Sonora, Chihuahua, Durango, Nayarit, and Jalisco.[2][3][4]

Ageratina paupercula
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Ageratina
Species:
A. paupercula
Binomial name
Ageratina paupercula
(A. Gray) R.M.King & H.Rob.
Synonyms[1]
  • Eupatorium pauperculum A.Gray
  • Kyrstenia paupercula (A.Gray) Greene
  • Piptothrix arizonica Nelson

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.[5]

The epithet paupercula is feminine of pauperculus, Latin for "poor."

The "Santa Rita" part of the common name refers to the Santa Rita Mountains in southern Arizona, south of Tucson, where the species was initially discovered.[6][7]

References
  1. "Ageratina paupercula (A. Gray) R.M. King & H. Rob.". The Global Compositae Checklist (GCC) – via The Plant List.
  2. Nesom, Guy L. (2006). "Ageratina paupercula". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 21. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  3. "Ageratina paupercula". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
  4. Turner, B. L. 1997. The Comps of Mexico: A systematic account of the family Asteraceae, vol. 1 – Eupatorieae. Phytologia Memoirs 11: i–iv, 1–272.
  5. Gledhill, David (2008). "The Names of Plants". Cambridge University Press. ISBN 9780521866453 (hardback), ISBN 9780521685535 (paperback). pp 39
  6. United States Department of Agriculture, National Forest Service, Santa Rita Mountains
  7. Gray, Asa 1882. Proceedings of the American Academy of Arts and Sciences 17: 205 as Eupatorium pauperculum


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