General:
Annual or biennial herb from a taproot; stems 30-70 (90) cm tall, erect, usually single, branched above, densely long-hairy below, moderately long-hairy to glabrous above.

Leaves:
Basal leaves in rosettes, short-stalked, pinnately-cut with the terminal lobe the largest, obtuse; stem leaves often densely overlapping, oblong, oblanceolate or lanceolate, irregularly saw-toothed, raggedly divided or slightly wavy-margined, densely to sparingly long-hairy to stiff-hairy; lower stem leaves short wing-stalked to unstalked with ear-like lobes at the bases; upper stem leaves unstalked, with prominent clasping, ear-like lobes at the bases.

Flowers:
Racemes terminal and axillary, 10-20 cm long; flower stalks ascending, 5-13.5 mm long, stiff-hairy or glabrous; petals yellowish, egg-shaped to broadly spoon-shaped, 1.8-3.5 mm long.

Fruits:
Siliques, globose or pear-shaped, (3.2) 4-5.7 mm long; segments 4, rarely up to 6; beaks 0.6-1.4 mm long, abruptly attached to the rounded silique tips; seeds dark reddish-brown, oblong, finely wrinkled and pitted.

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 barbareifolia DC.
Rorippa hispida var. barbareifolia (DC.) Hultén
Rorippa islandica var. barbareifolia (DC.) S.L. Welsh