Shrub or small tree, 1.5–5 m tall. Branches of previous season’s growth mostly relatively short, spreading and spine-tipped, often several per node. Leaves 1.5–5 cm long; leaflets 13–17, oblong, 4–11 x 1.5–5 mm, sparsely puberulous. Inflorescences on cushion-shaped branchlets with tufts of leaves, 1–2.5 cm long. Calyx 2–2.5 mm long, sparsely hairy. Corolla 4–4.5 mm long, white; standard glabrous. Stamens 9. Pod elliptic-oblong, 3–4 x 1.2–1.5 cm, not winged, papery, glabrous, with lax venation at least over the seed-cavity, 1-seeded.