General:
Annual or biennial herb from a taproot; stems erect, solitary, usually branched, sticky-glandular, 10-60 cm tall.

Leaves:
Basal leaves smaller than the stem leaves, usually deciduous by flowering time; stem leaves lanceolate to oblanceolate, stalked to unstalked, 2.5-10 cm long, 1-6 cm wide, deeply pinnately lobed, the segments again toothed or lobed, sticky-glandular, not much reduced upwards.

Flowers:
Heads with ray and disk flowers, few to numerous on sticky-glandular stalks in an open inflorescence; involucres 7-10 mm tall; involucral bracts lanceolate, sticky-glandular, green, margins papery, faintly black-tipped; bracteoles few, inconspicous; ray flowers yellow, mostly 1-4 mm long; disk flowers yellow.

Fruits:
Achenes oblong, faintly ribbed, 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