General:
Annual herb from a taproot; stems erect, 10-30 cm tall, branched, short soft-hairy.
Leaves:
Basal leaves clustered, withering before flowering, deeply pinnately lobed or compound, long-stalked with large terminal lobe and about 4 pairs of broadly triangular lateral lobes; stem leaves with linear, arrowhead-shaped terminal lobe and fewer and smaller lateral lobes; upper stem leaves more or less entire or with lobes or leaflets lanceolate to triangular.
Flowers:
Inflorescences much elongating in fruit; petals pale yellow, 8-10 mm long, twice length of sepals.
Fruits:
Siliques, 3-10 cm long, 1-2 mm wide, straight, round in cross section, stiff-hairy becoming glabrous at maturity; segments 3-nerved; fruiting stalks ascending to erect, 3-6 mm long, stout, about as thick as the silique; beaks 1-3 mm long, club-shaped; seeds yellowish-brown, uniseriate, narrowly egg-shaped, about 0.9 mm long.
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:
Brassica kaber var. orientalis (L.) Scoggan