General:
Perennial herb from fibrous roots; stems solitary, erect, 0.4-1.2 m tall, branching above.

Leaves:
Alternate; basal and lower stem leaves palmately 5- to 7-parted or compounded, long-stalked, the blades 4-12 cm long, 6-15 cm wide, the leaflets sharply toothed and sometimes shallowly lobed, becoming sessile.

Flowers:
Inflorescence of terminal umbels less than 1 cm wide in flower; flowers greenish-white; involucels deeply cleft.

Fruits:
Egg-shaped, 4-6 mm long, covered with numerous, basally thickened, hooked prickles.

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

Synonyms and Alternate Names:
Sanicula marilandica var. petiolulata Fernald