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General:
Perennial herb from a coarse woody stem-base; stems erect, solitary, simple or few-branched above, glabrous, often glaucous, 0.3-2 m tall.
Leaves:
Basal leaves lacking; stem leaves soon deciduous near the bases; middle leaves broadly triangular in outline, coarsely toothed or cleft, stalked, some or most of them pinnately cut, usually glabrous, sometimes hairy, especially beneath, 4-8 cm long, 4-8 cm wide, upper leaves reduced.
Flowers:
Heads with ray and disk flowers, solitary at the ends of branches; disks hemispheric or elongate, yellow or greyish, 10-20 mm wide; involucral bracts broadly oblong, abruptly sharp-pointed, 8-12 mm long, spreading when mature, glabrous; ray flowers yellow, 6-16, drooping, 2-4 cm long; disk flowers yellow or greyish; receptacular bracts blunt, white-hairy near the tip.
Fruits:
Achenes oblong, glabrous, 1.6-1.8 mm long; pappus a short crown.
Source: The Illustrated Flora of British Columbia
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