Annual shrub or herb, with many, erect stems from a woody rootstock, 0.2-0.9(-1.2) m high; branches appressed puberulous. Leaflets ± oblanceolate, 10-30 mm long, ± subglabrous beneath. Inflorescences mostly 50-160 mm long racemes, with 16-40(-60) flowers. Flowers bright yellow, pubescent outside. Calyx densely appressed puberulous; lobes 1-2x as long as tube. Petals: wings ± as long as keel; keel angular. Pod shortly stipitate, 7-13 mm long, densely appressed puberulous, 4-6-seeded. Seeds oblique-cordiform, smooth, yellowish or brown.