Erect herbs with annual shoots from a perennial root, 15-60 (-90) cm high, finely retrorsely puberulous in the lower half, glabÂrous above. Basal leaves dying off soon, petiolate, ± obovate, sublyrate or sinuately lobed, sometimes ± canescent. Stem leaves up to 10 cm long, ovate-oblong, sessile, sagittate, amplexicaul, acute, sinuate-dentate, the lower ones thinly puberulous on the lower surface, the upper ones glabrous. InfloresÂcence dense. Sepals 1-5-2 mm long. Petals 3-4 mm long, obovate, clawed, white. Siliculae on c. 1 cm long, ± reflexed or horiÂzontally spreading pedicels, 3-4 • 5 mm long, 3-5-5 mm broad, obcordate, inflated, in-dehiscent, the valves faintly reticulate; style 1-1-5 mm long, slender; stigma capitate. Seeds 2-2-25 X 1-2-1-5 mm, subcom-pressed, almost smooth, immarginate.