Annual; stems slender, erect, up to 60 cm tall; leaves sessile or with short stalks, palmately compound, leaflets 3, elliptic, slender, folded, 2 mm wide or less; flowers in axils of stem leaves, petals pink or white, 4-7 mm long; pods elongate, up to 20 mm long and 4 mm wide; smooth, circular in cross section, with a narrow stalk-like base; pods bent abruptly downward at the juncture of the pod's narrow base and the pedicel. Flowers August to September.