An erect undershrub 3 or 4 ft. high, the branches ascending, firm-herbaceous, sulcate, finely grey-silky upwards. Stipules 3–4 lines long, lanceolate, scarious. Lower petioles 3 in. long, firm, silky; leaflets 3, terminal one oblong-obovate, 3–5 in. long by more than half as broad, repand, base subcuneate, the petiolule more than an inch long, the lateral ones smaller and unequal-sided, subcoriaceous, upper surface slightly scabrous, lower densely adpressed grey-silky all over. Racemes long, narrow, lax, axillary and terminal, the latter compound. Bracts linear, about equalling the erecto-patent pedicels. Calyx 1/8 in. deep, silky, the teeth linear, reaching about halfway down. Corolla reddish, twice as long as the calyx. Pod 3–4 lines long, 2 lines broad, oblong, acuminate, downy, 2–3-seeded, narrowed to a distinct stalk.