A woody erect undershrub 4–5 ft. high, with firm ascending angular thinly adpressed-grey-silky branches. Stipules linear, 3/8 in. long. Leaves short-stalked, the rachis 2–4 in. long, the leaflets in 5–7 pairs, oblanceolate, 1–1 1/2 in. long, 3/8– 1/2 in. broad, apex truncate or emarginate, both sides subglabrous when mature. Racemes terminal, the main ones 6–9 in. long, sessile or long- or short-stalked, the flowers in distant clusters of 4–6 each. Bracts roundish or ovate, 1/4 in. broad, densely silky. Pedicels equalling the calyx, which is 1/4– 3/8 in. deep, densely clothed with ferruginous silky hairs, the lowest teeth lanceolate, reaching half way down, the others shorter, subdeltoid. Corolla reddish, 3/4 in. deep, standard 1/2 in. broad, very silky on the back. Pod 2 in. or more long, 1/4 in. broad, densely and persistently finely silky, 9–10-seeded.