E-Flora BC: Electronic Atlas of the Flora of British Columbia

General:
Perennial herb from a long, woody or somewhat fleshy taproot, sometimes with a branching stem-base; stems solitary or several, short-hairy, 20-90 cm tall.

Leaves:
Mostly basal, short, 1-3 times divided, short-hairy with short stalks or unstalked; ultimate segments of the leaves relatively small, 1-3 mm long.

Flowers:
Inflorescence of compound umbels; flowers yellow; involucel bractlets broadly oblanceolate to egg-shaped, finely hairy; involucels more or less strongly fused.

Fruits:
Oblong to elliptic, 5-10 mm long, short-hairy at least when young, wings thin, not corky-thickened.