General:
Perennial herb from a short, slender rhizome; stems 1-1.5 mm thick, enlarged and tuberous near base of leafy stems, 20-40 cm tall, simple to freely branched, erect to decumbent and rooting at nodes, glabrous to sparsely hairy.

Leaves:
Basal leaves few, slender-stalked, pinnate, lateral lobes (2) 4-6, egg-shaped to heart-shaped, short-stalked to unstalked, 3-8 mm long, generally entire, terminal lobe 1-2 cm long, shallowly wavy-margined; stem leaves several, upper ones unstalked to nearly unstalked, fewer lateral lobes, narrowly egg-shaped to linear, mostly 1-2 cm long, entire or slightly toothed, terminal leaflet egg- to wedge-shaped, 1.5-3 cm long.

Flowers:
Inflorescence an elongate raceme, without bracts; flower stalks ascending, 10-15 mm long; petals white, 3.5-5 mm long; sepals 1-2 (2.5) mm long.

Fruits:
Siliques, erect, 2-3 cm long, 1-1.5 mm wide; styles about 1 mm long.

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:
Cardamine pratensis var. occidentalis S. Watson ex B.L. Rob.