Tree to 12 m tall. New buds rusty tomentose; plants otherwise glabrous. Leaves: petiole 5-20 mm long; lamina concolorous, dull, coriaceous; juvenile leaves simple, deltoid or ovate, 7.3-12 cm long, 5.7-11.1 cm wide, grading into adult leaves; adult leaves simple, elliptic or narrowly elliptic, 4.5-11.5 cm long, 0.7-3 cm wide, long-attenuate at base, with margins not undulate, acute or obtuse at apex; main longitudinal veins 4-8; secondary venation obscure. Conflorescence axillary, glabrous, arising singly or in a cluster of 2-3; peduncle 7-35 mm long; umbel of 19-22 flowers. Flowers 8-15 mm long, white, glabrous; pedicel 6-10 mm long. Hypogynous gland horse-shoe shaped, almost encircling gynophore. Follicles linear, 5.5-15 cm long, woody. Seeds oblong, c. 9 mm long including wing, 2-3 mm wide.