An erect shrub 3–4 ft. high, with strong glabrous flexuose branches. Stipules linear, 1/4– 3/8 in. Petioles 6–18 lines; leaflets 13–19, linear, reaching 3–4 in. long, 1/4– 3/8 in. broad, bluntish, distinctly mucronate, upper surface grey glabrescent, lower glaucous, faintly grey-silky, the veins fine raised. Racemes copious, terminal and lateral, peduncled, reaching a foot long, very lax, subsecund, the axis acute-angled sulcate. Bracts linear, 1–1 1/2 lines. Pedicels 1–3 lines, erecto-patent. Calyx 2 lines, finely silvery, the teeth lanceolate, shorter than the tube. Corolla purplish, 3/4 in. long, standard 5/8– 3/4 in. broad, grey-silky on the outside. Pod linear, 3–3 1/2 in. long, 2 1/2 lines broad, glabrescent, nearly straight, 16–18-seeded. Style faintly pubescent throughout.
