© Vince Poulin (Photo ID #26670)
Annual herb from a taproot; stems erect, 0.2-1.5 m tall, freely branched, sparsely to heavily stiff-hairy near the base but usually glabrous above.
Basal leaves broadly lanceolate to oblanceolate, 3-20 cm long, 0.8-5 cm wide, stalked; lower stem leaves lobed or pinnately-cut, toothed; upper stem leaves with lobes or leaflets threadlike to linear.
Inflorescence of spreading or ascending stalks, 4-10 mm long, stout; petals pale yellowish, 6-8 mm long; sepals 3-4.5 mm long, glabrous, outer 2 with erect horns at tip.
Siliques, spreading, linear, 5-10 cm long, 1-2 mm wide, about same diameter as fruiting stalks, round in cross section, rigid and branchlike; segments with prominent midnerve, evident lateral nerves; stylar beaks none; seeds uniseriate, about 1 mm long, slightly gelatinous when wet.
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
|BG(28), ICH(1), IDF(20), PP(25)|
Source: Klinkenberg 2013
Synonyms and Alternate Names:
Norta altissima (L.) Britton