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

General:
Stout perennial herb from a taproot or cluster of tuberous roots; stems solitary or few together from a tuberous-thickened chambered base, glabrous, 0.5-2 m tall.

Leaves:
Stem leaves compound, divided 1-3 times without bulbils in axils; leaflets more than 5 times as long as broad, linear to narrowly lanceolate; midvein on upper leaflet surface glabrous.

Flowers:
Inflorescence of several to many small compact clusters aggregated in several compound umbels; flowers white to greenish, small, numerous; involucral bracts mostly lacking.

Fruits:
Egg-shaped to orbicular, 2-4 mm long, longer than wide, without raised border on edge of the dark interval.

Notes:
A single collection of var. maculata is known from SW BC (Mulligan 1980). It is distinguished from var. angustifolia by its longer styles, elongate fruit and broader stem leaflets.