Streptanthus coombsiae Eastwood; Thelypodium simplex Greene

Basal leaves: blade oblanceolate, margins usually lyrate, rarely dentate or entire. Flowers: petals usually linear to narrowly oblanceolate, rarely spatulate, 0.5-1.2(-3) mm wide; median filaments connate most of their lengths. Fruits 1.5-4.5(-7) cm. 2n = 26.

Flowering May-Jul. Desert shrub communities, alkaline meadows and flats; of conservation concern; 100-1600 m; Calif., Oreg., Wash.