Annual, canescent herb up to 60 cm tall. Indumentum felty, of branched hairs. Lower leaves usually crowned, petiolate, linear-oblong, up to 8 x 2 cm, dentate to pinnately lobed. Flower shades of pink to purple, yellow or bicolored pink-purple above, yellow below, in long racemes. Sepals up to 10 mm long. Petals up to 20 mm long, undulate-wrinkled. Siliquas linear, terete, densely felty, up to 6 cm long, with two, prominent, erect, incurved or spreading horns each up to 4 mm long.