Erect subshrub, 5–10 dm. tall, well branched.. Branches terete, pubescent.. Leaves 3-foliolate; leaflets elliptic-obovate to obovate, up to 10–15 mm. long and 7–8 mm. wide, glabrous above, appressed pubescent with rather long hairs beneath; petiole up to 10–22 mm. long.. Stipules linear, small.. Racemes pedunculate, lax, ± 15–20 cm. long, many-flowered; bracts linear, 1–2 mm. long; bracteoles inserted at the base of the calyx, linear, ± 1 mm. long.. Calyx ± 3 mm. long, sparsely appressed pubescent; upper lobes acuminate-triangular, ± as long as the tube or shorter.. Standard suborbicular-obovate, yellow, finely brownish veined, glabrous outside; wings shorter than the keel; keel angled in the lower half, with a rather long almost straight untwisted beak, ± 10 mm. long.. Ovary rather long stipitate, oblong-obovoid, pilose above.. Pod and seeds unknown.