Tree 4.5–12(–21) m. high, unarmed, with grey, rough, scaly or fissured bark. Young branchlets shortly pubescent or puberulous. Leaves: petiole 2.5–6.6 cm. long, pubescent or puberulous as in the (0–)2.7–9.5 cm. long rhachis; pinnae (1–)2–4 pairs, glandular between most of the pairs of leaflets; leaflets opposite, in (5–)7–15 pairs, oblong-lanceolate or elliptic-lanceolate, (1.3–)1.5–3(–4) cm. long, 0.4–1(–1.5) cm. wide, narrowed to an usually acute or subacute apex, inconspicuously appressed-puberulous on both sides. Flowers creamy-white or yellow-green, fragrant, sessile or nearly so, in 3–6 cm. long spikes borne on 1–3.5 cm. long peduncles. Calyx 1.5–2 mm. long, puberulous. Petals free, 3–4.5 mm. long, glabrous or nearly so outside. Stamen-filaments 5.5–6.5 mm. long. Ovary hairy. Pods 10–20 cm. long, 1.5–3.3 cm. in diameter, black or brown, glossy, subcylindrical or slightly compressed, thickened. Seeds ellipsoid, 8–10 mm. long, 4–9 mm. wide, blackish-brown, glossy. Fig. 10, p. 35.
