Tree 3–12(–25, fide Devred & Bamps) m. high; young branchlets glabrous to shortly pubescent. Leaves with stipules quickly falling off; petiole 1–6 mm. long; leaflets in one pair, sessile, coriaceous, glabrous or almost so, semi-elliptic or semi-ovate-elliptic, l.7–7.5(–10) cm. long, 0.6–3.2(–4.5) cm. wide (to 9 × 4.5 cm. on juvenile shoots), acutely or sometimes obtusely ± acuminate at apex, rounded on outer side at base; vein-network prominent on both surfaces. Racemes 1–3.5 cm. long, brown-pubescent. Bracteoles subcircular, 4.5–7 mm. long and up to 6 mm. wide, brown-pubescent outside. Sepals 0, or 1–2 of them up to 3.5 × 2.5 mm. and 1–2 minute. Large petal white, 5–8 mm. long, 4–6 mm. wide, shortly clawed, with subcircular lamina; other petals 0, or 1–2 minute. Stamens 9–10; filaments glabrous. Pods asymmetric, ± oblong-elliptic or obovate-elliptic, 2.5–3.7 cm. long, 1.5–2.3 cm. wide, glabrescent, with 1(–2) prominent longitudinal nerves on each valve, 1–2-seeded. Seeds ± 1.2 × 0.9–1 cm., apparently dark brown. Fig. 42, p. 197.