Английская Википедия:Agoseris glauca
Шаблон:Short description Шаблон:Speciesbox
Agoseris glauca is a species of flowering plant in the family Asteraceae known by the common names false dandelion,[1] pale agoseris, prairie agoseris, and short-beaked agoseris. It is native to western North America.
Description
Agoseris glauca is a perennial herb which varies in general appearance. Growing up to Шаблон:Convert,[2] it produces a basal patch of leaves of various shapes which may be as long as the plant is high,[3] but are typically up to Шаблон:Convert.[2]
There is no stem, but from May to September[2] the plant flowers in a stemlike inflorescence which is sometimes erect, reaching heights near Шаблон:Convert or taller. The flower head is Шаблон:Convert wide with layers of pointed phyllaries. The head is ligulate, bearing many yellow ray florets but no disc florets.[3] The rays may become pinkish with age.[1]
The fruit is an achene with a body up to a centimeter long and a pappus, which may be almost 2 cm in length.[3]
Similar species
Other species in the genus known as false dandelion or mountain dandelion, as well as true dandelions, can be distinguished from A. glauca by differences in their fruit.[2]
Taxonomy
- Agoseris glauca var. dasycephala (Torr. & A. Gray) Jeps.
- Agoseris glauca var. glauca[5]
Distribution and habitat
The plant is native to western and northwestern North America from Alaska east to the Northwest Territories and Ontario, southeast to California, Arizona, and New Mexico.[6] It grows in many habitat types, usually those which are non-forested.[1]
Uses
The plant contains a bitter milky juice, which solidifies into a substance that can be chewed as gum; this may have been done by some Plains Indians.[1]
References
External links
- Шаблон:Commons category-inline
- Jepson Manual Treatment — Agoseris glauca
- USDA Plants Profile for Agoseris glauca
- USGS NPWRC Profile
- Agoseris glauca — Calphotos Photo gallery, University of California
- ↑ 1,0 1,1 1,2 1,3 Шаблон:Cite book
- ↑ 2,0 2,1 2,2 2,3 Шаблон:Cite book
- ↑ 3,0 3,1 3,2 3,3 Flora of North America, Agoseris glauca
- ↑ Ошибка цитирования Неверный тег
<ref>; для сносокmне указан текст - ↑ CalFlora Database: Agoseris glauca var. glauca
- ↑ CalFlora taxon report, University of California: Agoseris glauca
- Английская Википедия
- Agoseris
- Flora of Canada
- Flora of the Northwestern United States
- Flora of the United States
- Flora of the Southwestern United States
- Flora of California
- Flora of New Mexico
- Taxa named by Frederick Traugott Pursh
- Plants described in 1813
- Flora without expected TNC conservation status
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- Страницы с телепортом
- Википедия
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