Perennial herb from a woody rhizome; stems ascending to erect, glabrous, branched, 20-70 cm tall.
Basal leaves numerous, spoon-shaped to linear or linear-lanceolate, simple or with 1 or 2 pairs of small lateral lobes at the base, usually stiff-hairy, 10-20 cm long, up to 2 cm wide; upper leaves few, reduced, mostly entire, usually glabrous.
Heads with ray and disk flowers, solitary to several on long stalks; involucres 10-14 mm tall; involucral bracts markedly different, the inner 8-12 mm long, egg-shaped, brown with lighter margins, the outer reduced, lanceolate to oblong egg-shaped, obtuse, 4-8 mm long; ray flowers yellow, about 8, 1.5-3 cm long; disk flowers yellow; receptacular bracts flat and papery below.
Achenes black, 2.5-3 mm long, margins with incurved wings; pappus of 2 small, fringed teeth.
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Present over the Fall
Source: The USDA
||Value / Class
Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
of field plots
species was recorded in:
BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in
Source: Klinkenberg 2013
Synonyms and Alternate Names:
Coreopsis crassifolia Ait.
Coreopsis heterogyna Fern.
Coreopsis lanceolata var. villosa Michx.