General: Biennial or perennial herb from a taproot and a simple or branched stem-base; stems branched, erect, 2-12 cm tall, usually glabrous.
Leaves: all basal leaves egg-shaped to oblanceolate, entire to toothed, 0.2-2.5 cm long, 1-6 mm wide, usually glabrous or with a few simple and 2-branched hairs, margins glabrous or hairy-fringed with simple to 2-branched hairs; stem leaves lacking, rarely 1.
Flowers: Racemes 2- to 15-flowered, open; petals yellow, 1.5-2 mm long; sepals 1-1.5 mm long, glabrous.
Fruits: Silicles, 4-10 mm long, 1.5-2.5 mm wide, narrowly elliptic to narrowly egg-shaped, plane, glabrous; fruiting stalks 2-6 mm long, generally shorter than silicles, glabrous;styles lacking or up to 0.15 mm long; seeds 10-24, oval, light brown, about 1 mm long.
Mesic to dry meadows and cliffs in the subalpine and alpine zones; infrequent throughout BC E of the Coast-Cascade Mountains; N to AK, YT, and NT, E to PQ and S to CO and AZ.
The table below shows the species-specific information calculated from original data (BEC database) provided by the BC Ministry of Forests and Range. (Updated August, 2013)
