Erect plant 20 to 30 cm tall. Flowers small, racemose, white with purple colouring at the tips, 12 mm long and 6 mm wide, 4 petals. Plant glabrous near raceme, hairy below. Basal leaves with petioles, oblanceolate, 2 cm long with petiole, 6 mm wide. Basal leaves are grey with appressed hairs. Stem leaves clasping, elliptical to ovate, diamond-shaped base, 1.5 cm long, 0.5 cm wide.
Common in the Cypress Hills.
Above photos taken May 7th on a rocky slope in the Cypress Hills 400 km SW of our home in Regina, SK.