E-Flora BC: Electronic Atlas of the Flora of British Columbia

Agoseris glauca var. dasycephala (Pursh) Raf. (Torr. & A. Gray) Jeps.
short-beaked agoseris (pale agoseris)
Asteraceae (Aster family)

Introduction to Vascular Plants

© Adolf Ceska  Email the photographer   (Photo ID #5911)

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Distribution of Agoseris glauca var. dasycephala
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Species Information

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General:
Perennial from a long, heavy taproot; stems leafless, 1-several, exuding milky juice when broken, 10-70 cm tall.
Leaves:
All basal, extremely variable, linear to broadly lanceolate, 5-35 cm long, 1-30 mm wide, entire or toothed to laciniate-pinnatifid or few lobed, glaucous or glabrous or sparsely hairy on the margins and midribs below.
Flowers:
Heads with strap-shaped flowers, solitary; involucres narrowly bell-shaped, 1-3 cm tall; involucral bracts graduated or subequal, lanceolate, attenuate or sometimes obtuse, frequently purple-margined, glabrous, the outer series shorter; receptacles naked; ray flowers yellow, often drying pinkish.
Fruits:
Achenes smooth, long, the body tapering gradually to a stout, grooved beak which is about half as long as the body or, as in ours, more commonly beakless; pappus of numerous hairlike bristles, 10-12 mm long, white.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry grasslands, shrublands, open forests, meadows and scree slopes in the steppe to alpine zones; frequent throughout BC except rare in coastal BC; N to SE AK, E to AB and S to ID, MT and WA.

Source: The Illustrated Flora of British Columbia

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Agoseris glauca subsp. scorzonerifolia (Schrad.) Piper
Agoseris glauca var. asper (Rydb.) Cronquist
Agoseris glauca var. pumila (Nutt.) Garrett
Agoseris scorzonerifolia (Schrad.) Greene
Troximon glaucum var. dasycephalum Torr. & A. Gray

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References