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Lemmon's Snakeroot

Ageratina lemmonii (B. L. Rob.) R. King & H. Rob.

Description

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Perennials, 20–40(–70) cm (densely fibrous-rooted crowns). Stems (commonly purple) erect, puberulous (hairs usually with colored crosswalls). Leaves opposite; petioles usually 0, sometimes 1–2 mm; blades ovate-lanceolate, 2–4.5 × 0.5–2.5 cm, margins shallowly serrate, abaxial faces glabrous or glabrate, gland-dotted. Heads in loose, open arrays. Peduncles 10–60 mm, puberulent. Involucres 4–5.5 mm. Phyllaries: (narrowly oblong-lanceolate) apices acute, abaxial faces sparsely hairy to glabrate. Corollas white, lobes densely hispid-villous. Cypselae sparsely and finely hispidulous. 2n = 34.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 21: 548, 551 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Synonym

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Eupatorium lemmonii B. L. Robinson, Proc. Amer. Acad. Arts 27: 171. 1892 (as lemmoni)
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 21: 548, 551 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Ageratina lemmonii

provided by wikipedia EN

Ageratina lemmonii, called the Lemmon's snakeroot, is a North American species of plants in the family Asteraceae. It is found only in the southwestern United States in the states of Arizona and New Mexico, as well as the states of Sonora, Sinaloa, Chihuahua and Durango in Mexico.[3][4]

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 species is named for John Gill Lemmon (1831–1908), husband of botanist Sara Plummer Lemmon (1836–1923).[6]

References

  1. ^ "NatureServe Explorer".
  2. ^ "Ageratina jucunda (B.L.Rob.) 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 lemmonii". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 21. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  4. ^ "Ageratina lemmonii". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
  5. ^ Gledhill, David (2008). "The Names of Plants". Cambridge University Press. ISBN 9780521866453 (hardback), ISBN 9780521685535 (paperback). pp 39
  6. ^ Robinson, Benjamin Lincoln 1892. Proceedings of the American Academy of Arts and Sciences 27: 171–172 as Eupatorium lemmoni

Data related to Ageratina lemmonii at Wikispecies

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Ageratina lemmonii: Brief Summary

provided by wikipedia EN

Ageratina lemmonii, called the Lemmon's snakeroot, is a North American species of plants in the family Asteraceae. It is found only in the southwestern United States in the states of Arizona and New Mexico, as well as the states of Sonora, Sinaloa, Chihuahua and Durango in Mexico.

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cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
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wikipedia EN