Pods asymmetric, 2.5–3.7 × 1.5–2.3 cm, oblong-elliptic or obovate-elliptic, sparsely pilose when young, glabrescent, each valve longitudinally and prominently 1(2)-nerved, 1–2-seeded.
Germination epigeal; first pair of leaves opposite, with four leaflets; subsequent leaves alternate, with 2 leaflets.
Large petal white, 5–7 × 3.5–6.5 mm, with a short claw and a subcircular lamina; other petals absent or minute.
Racemes 1–3.5 cm long, brownish-pubescent; bracteoles 4.5–7 mm long, up to 6 mm wide, almost circular.
Sepals 0–2, the larger ones, if present, to 3 × 2.3 mm, others minute.
Young branchlets glabrous to shortly pubescent, glabrescent.
Tree 3–12(25) m high.
Seeds 8–14 × 5–12 mm.
Stamens 9–10.