Annual herb from a taproot; stems 0.3-1.0 m tall, simple or sometimes branched, glabrous, or if sparsely hairy then the simple hairs not exceeding the starlike hairs.
Basal leaves few, soon deciduous; stem leaves lanceolate to oblanceolate, nearly entire, 2-8 cm long, short-stalked or unstalked, mostly glabrous or only slightly hairy, upper leaves lanceolate or linear-oblong, unstalked, with earlike lobes at the base.
In elongated racemes; flower stalks slender, ascending-spreading, 10-25 (30) mm long; petals white to pale yellow, 4-5 mm long; sepals 2-3 mm long.
Silicles, 7-9 mm long, 5-6 (7) mm wide, nearly squared-off at tip; styles 2-2.5 mm long; seeds 1-2 mm long, pale yellow-brown.
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
||Value / Class
Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
of field plots
species was recorded in:
BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in
Source: Klinkenberg 2013