Shrub or small tree. Leaves with rhachis 5–25 cm long, eglandular; leaflets in 5–12 pairs, ovate-elliptic to oblong-elliptic, (1.5–)3–6(–7.5) x (0.8–)1.2–3(–4.5) cm, rounded to subacute at apex, pubescent or puberulous. Racemes 0.5–9 cm long; bracts persistent while the flowers are open. Petals yellow, 1.5–3.5 x 0.7–1.8 cm. Pods cylindrical, 30–90 x 1.5–2.5 cm, pubescent or glabrous, blackish, indehiscent. Seeds numerous, 9–12 x 8–9 mm, brown to blackish.
