Evergreen tree, rarely a bush, (2.5–)10–25 m. high, with smooth grey or grey-brown bark; young branchlets glabrous.. Leaves: stipule-lobes large, foliaceous, ± persistent, 0.4–4.7 cm. long, 0.25–3 cm. wide; petiole with rhachis 3.8–9 cm. long; leaflets in (l–)2–3 pairs, elliptic, oblong-elliptic or obovate-elliptic, or ovate-lanceolate, 6–11.3(–15) cm. long, 2.3–5(–7.8) cm. wide, obtuse, glabrous (including margins).. Panicles up to ± 20 cm. long and wide, brown-tomentellous; pedicels of open flowers 4–7 mm. long.. Flowers cream to white.. Bracteoles 8–9 mm. long and wide, brown-tomentellous or-tomentose outside.. Sepals imbricate, rotund to suborbicular, 3.5–5 mm. long, 3–4 mm. wide.. Petals very unequal; larger one suborbicular, shortly clawed, 7 mm. long, 6 mm. wide; others ovate or oblanceolate, 2–5 mm. long, 1–1.5 mm. wide.. Pods obovate-oblong or oblong, glabrescent to glabrous when mature, 5.5–14 cm. long, 2.5–3.5(–5) cm. wide.. Seeds dark brown, 1.6–2.3 × 1.3–1.8 cm.