Agoseris glauca
Template:Short description Template: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 Script error: No such module "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 Script error: No such module "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 Script error: No such module "convert". or taller. The flower head is Script error: No such module "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
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- ↑ a b c d Script error: No such module "citation/CS1".
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- ↑ a b c d Flora of North America, Agoseris glauca
- ↑ Cite error: Script error: No such module "Namespace detect".Script error: No such module "Namespace detect".
- ↑ CalFlora Database: Agoseris glauca var. glauca
- ↑ CalFlora taxon report, University of California: Agoseris glauca
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External links
- Pages with script errors
- Pages with reference errors
- 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