Bushy shrub, 0.3-3.0 m high, branches finely strigulose. Leaflets elliptic to obovate, appressed puberulous beneath, 15-40 mm long. Stipules linear-subulate, becoming recurved. Inflorescences closely 6-16-flowered racemes. Flowers yellow, browning with age. Calyx appressed puberulous; lobes 1-2x as long as tube. Petals: wings nearly as long as keel; keel abruptly rounded in lower half with a slender, incurved, twisted beak. Pod obesely ellipsoid, abruptly contracted to stipe, appressed-pubescent, 8-18-seeded, 28-45 mm long. Seeds reniform, granular, dark.