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General:
Perennial herb from a branched, woody stem-base or rhizome; stems branched above, with straight, appressed hairs, 30-60 cm tall.
Leaves:
Basal leaves narrowly oblanceolate, tapering to a stalked base, usually entire, glabrous to slightly hairy, 2-10 cm long, 2-10 mm wide; stem leaves lanceolate to linear, usually entire, often slightly clasping, glabrous to slightly hairy,reduced upwards.
Flowers:
Heads with ray and disk flowers, few to many in an open, branched inflorescence; involucres 4-7 mm tall; involucral bracts strongly graduated, linear to linear-oblong, the outermost usually spoon-shaped, fringed, green above, pale below, glabrous to hairy on the back; ray flowers 10-40, violet or purple, 6-8 mm long; disk flowers yellow.
Fruits:
Achenes several-nerved, stiff-hairy; pappus white to tan.
Source: The Illustrated Flora of British Columbia
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