General: Annual, biennial, or short-lived perennial herb from a slender taproot; stems erect, 15-100 cm tall, simple to much branched from base, glabrous to stiff-hairy.
Leaves: Basal and lower stem leaves oblong to oblanceolate, (4) 6-20 cm long, 0.5-4 cm wide, short-stalked to unstalked, irregularly saw-toothed, incised, deeply cleft, repand, or variously pinnately divided, with slightly clasping, ear-like lobes at the bases, sharp- or long-pointed at the tips; glabrous or stiff-hairy.
Flowers: Inflorescence of spreading-ascending stalks, 3-14 mm long, glabrous to sparsely hairy; petals light yellow, 1-3.5 mm long, oblong to broadly spoon-shaped; sepals often yellowish or purplish, 1-2 mm long, glabrous.
Fruits: Siliques, spreading to ascending, straight to somewhat upcurved, 3-14 mm long, 2-3 mm wide, egg-shaped to cylindric or clavate, 1- to 4-carpelled; beaks 0.2-1 mm long, straight, abruptly attached to apex; seeds brown to reddish-brown, mostly 0.4-0.6 mm long, minutely honeycombed and pimpled, 20-80.
Notes: At least six poorly defined varieties have been attributed to the BC flora, but are not treated here.
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC:
Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for
Advanced Spatial Analysis, Department of Geography, University of British
Columbia, Vancouver. [Accessed:
2021-06-19 11:28:29 AM
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