Annual or short-lived perennial herbs, 50-80 cm tall. Branches appressed- to spreading-pubescent. Leaves petiolate; stipules setaceous-triangular, 2-3 mm long, with a prominent midrib; leaflets 4-17, elliptic-oblong to oblanceolate-cuneate, 7-34 x 2-7 mm, densely hairy on both sides or glabrescent, thinly appressed-hairy on the upper surface and appressed-pubescent below, obtuse or emarginate, mucronate or not. Pseudoracemes lax, several-flowered. Flowers red to reddish purple, occasionally white, about 8 mm long. Pods up to 40 x 4 mm, slightly curved, glabrescent to densely hairy, more or less curved, 5-9-seeded.