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

Agoseris grandiflora var. leptophylla
large-flowered agoseris
Asteraceae (Aster family)

Introduction to Vascular Plants
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E-Flora BC Static Map
Distribution of Agoseris grandiflora var. leptophylla
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Species Information

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Perennial from a branched base; stems leafless, exuding milky juice when broken, 20-70 cm tall.
All basal, oblanceolate to lance-elliptic or broadly linear, entire to deeply pinnately cut with broad or narrow lobes which are widely spreading or pointed towards the base, 10-25 cm long, 1-3 cm wide.
Heads with strap-shaped flowers, solitary, large; involucres broadly bell-shaped to rounded, 1.5-4 cm tall; involucral bracts in 4-5 series, the outer relatively broad and short, conspicuously fringed with small hairs; receptacles naked; flowers yellow, often turning pinkish or purplish upon drying.
Achenes smooth, spindle-shaped, the body about 4-7 mm long, tapering to a smooth, slender beak 2-4 times as long as the body; pappus of numerous hairlike bristles, 8-14 mm long, white. vol1_3

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry grassy slopes, meadows and forest openings from the lowland to the lower montane zones; infrequent in extreme S BC; S to UT, NV and CA.

Source: The Illustrated Flora of British Columbia

Taxonomic and Nomenclatural Links

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General References