Plant 20-30 cm tall, stem grooved, somewhat appressed pubescent. Leaf 6-15 cm long, leaflets 10-18, 1.5-3 cm long, linear, pubescent on both sides, petiolule c. 1 mm long. Inflorescence a 5-10 cm long, densely pubescent raceme. Bracts minute. Pedicel c. 1-2 mm long. Calyx cup c. 2 mm long, teeth triangular, 4-6 mm long. Corolla c. 1 cm long, keel shorter than vexillum. Fruit stipitate, 2-3 jointed, joints 6-7 mm long, ovoid, reticulate, bristly, 1-seeded.