General:
Perennial herb from a short rhizome or woody stem-base; stems erect, solitary, branched above, glabrous, 30-70 cm tall.

Leaves:
Basal leaves elliptic to oblanceolate, stalked, 2-15 cm long including the stalk, 0.6-3.4 cm wide, toothed, glabrous; stem leaves similar but larger, 2-21 cm long, 0.7-4.2 cm wide, egg-shaped to lanceolate, toothed, progressively reduced upwards, becoming unstalked.

Flowers:
Heads with ray and disk flowers, few to many on glabrous to sparsely long-hairy stalks in an open flat-topped inflorescence; involucres 7-12 mm tall; involucral bracts lanceolate to more oblong, purplish or black-hairy tipped, otherwise glabrous or rarely with inconspicuous unstalked glands at the tip, margins translucent; bracteoles few, conspicuous, tipped with purplish or black hairs; ray flowers yellow, 6-14 mm long; disk flowers yellow.

Fruits:
Achenes oblong, nerved, glabrous; pappus of white hairlike bristles.

Source:  The Illustrated Flora of British Columbia

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