General:
Perennial herb from a long, slender taproot, softly short-hairy; stems erect, hollow, 30-180 cm tall, leafy.

Leaves:
Mostly basal, 2-4 times pinnately-cut, the lobes oblong-lanceolate, deeply toothed, with whitish patches.

Flowers:
Inflorescence of compound umbels; flowers white; involucels well-developed with egg-shaped, toothed bractlets or the bractlets lacking.

Fruits:
Oblong to elliptic, 3 times as long as wide, 15-25 mm long, slightly compressed laterally, glabrous or minutely bristly, ribs with well-developed ridges; beaks short.

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