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Perennial herb from a fibrous-rooted, short, ascending or horizontal rhizome or woody stem-base; stems erect, solitary or several, branched above, glabrous or sparsely long-hairy to densely woolly-hairy, 13-85 cm tall.
Basal leaves thick, lanceolate to oblanceolate, stalked, 4-27 cm long including the stalk, 0.5-3 cm wide, thinly white-woolly when young becoming hairless by flowering time, entire to coarsely toothed; stem leaves similar, lanceolate to linear, thinly to densely woolly-hairy in the leaf axils, progressively reduced upwards, becoming unstalked.
Heads with ray and disk flowers, few to many in an open, flat-topped inflorescence; involucres 5-9 mm tall; involucral bracts lanceolate, hairy at the tips, green, margins translucent; bracteoles few, inconspicuous; ray flowers yellow, mostly 6-12 mm long; disk flowers yellow.
Achenes oblong, nerved, glabrous; pappus of white hairlike bristles.
Source: The Illustrated Flora of British Columbia