Английская Википедия:Agoseris aurantiaca

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Шаблон:Short description Шаблон:Speciesbox

Agoseris aurantiaca is a species of plant in the family Asteraceae, commonly called orange agoseris or mountain dandelion. It is widespread in western North America.

Description

Agoseris aurantiaca is a perennial herb or subshrub[1] growing to Шаблон:Convert in height.[2] It produces a basal rosette of leaves, which are Шаблон:Convert long and entire or with irregular tooth-like lobes.[2] There is no stem, but it does produce several stem-like peduncles. Between June and August, each peduncle bears a single flower head Шаблон:Convert in width,[2] surrounded by glabrous to hairy phyllaries. The head is ligulate, containing several ray florets but no disc florets. The florets are most commonly orange but are occasionally yellow, pink, red, or purple. "Aurantiaca" means "orange-red".[3]Шаблон:Rp The flower head matures into a ball-like head of beaked achenes, each with a terminal pappus of numerous, white bristles.[4]

It is the only orange-flowered species in the genus, the others typically being yellow.[2]

Varieties[5][4]
  • Agoseris aurantiaca var. aurantiaca – most of species range
  • Agoseris aurantiaca var. purpurea (A.Gray) Cronquist – southern Rocky Mountains

Distribution and habitat

The species is widespread and common in western North America from Alaska and the Northwest Territories in Canada southward to California, Arizona, and New Mexico, and eastward as far as the Rocky Mountains and the Black Hills. There are also isolated populations in the Chic-Choc Mountains on the Gaspé Peninsula and in the Otish Mountains of central Quebec.[6][7][4][8][9][10]

It is primarily a species of mountainous regions and may be found in wet to dry habitats.[1]

Uses

A cold infusion of this plant is used by the Ramah Navajo for protection against witches.[11]

References

Шаблон:Reflist

External links

Шаблон:Taxonbar


Шаблон:Cichorieae-stub

  1. 1,0 1,1 Шаблон:Cite web
  2. 2,0 2,1 2,2 2,3 Шаблон:Cite book
  3. Great Basin Wildflowers, Laird R. Blackwell, 2006, Morris Book Publishing LLC., Шаблон:ISBN
  4. 4,0 4,1 4,2 Flora of North America, Agoseris aurantiaca
  5. Ошибка цитирования Неверный тег <ref>; для сносок uu не указан текст
  6. Biota of North America Program 2014 county distribution map
  7. Calflora taxon report, University of California, Agoseris aurantiaca (Hook.) E. Greene orange agoseris, orange flowered agoseris
  8. Cody, W. J. 1996. Flora of Yukon Territory i–xvii, 1–669. NRC Research Press, Ottawa.
  9. Hultén, E. 1968. Flora of Alaska i–xxi, 1–1008. Stanford University Press, Stanford
  10. Porsild, A. E. & W. Cody. 1980. Checklist of the Vascular Plants of the Northwest Territories Canada i–viii, 1–607. National Museum of Natural Sciences, Ottawa
  11. Шаблон:Cite web