Distribution: East of the Cascades in Washington; Washington to California, east to Idaho and Nevada.
Habitat: Shrub-steppe and open Ponderosa pine forests.
Conservation Status: Not of concern
Tufted perennial from a thick taproot and branched crown, the flowering stems 5-20 cm. tall, glabrous.
Leaves mostly in thick rosettes, 3-15 cm. long, oblanceolate, entire, the blade narrowed to a slender petiole, grayish with cross-shaped hairs and hairs shaped like tree branches; cauline leaves alternate, sessile, auriculate, narrowly lanceolate, 5-20 mm. long, glabrous or sparsely hairy.
Inflorescence a numerous-flowered raceme; pedicles 5-35 mm. long, spreading; sepals 4, 5-6 mm. long, somewhat gibbous-based, often pink or purplish; petals 4, pinkish to reddish-purple, obovate-oblanceolate, long-clawed, 11-15 mm. long; stamens 6; style 1 mm. long.
Siliques compressed, glabrous, linear-lanceolate to narrowly oblong, tapered at the ends, 2-8 cm. long and 2-6 mm. broad; valves 1-nerved.