Large tree to 20 m or more tall. Leaves with petiole 0.5-2 cm long; lamina narrowly elliptic, 5.5-10 cm long, 1.9-3.5 cm wide, attenuate at base, entire (even on seedling leaves), usually obtuse, occasionally acute, almost glabrous at maturity; veins 5-13 pairs. Conflorescence terminal and axillary, 4-8 cm long. Tepals 4-5 mm long, cream. Anthers 0.3-0.5 mm long with mucro less than 0.1 mm long; filaments c. 0.2 mm long. Hypogynous glands c. 0.5 mm long. Ovary 0.5-0.7 mm long; style 2.2-3.1 mm long; pollen presenter cylindrical-clavate, 0.2-0.3 mm long. Fruits 4.4-7 cm long, 2-3 cm wide, ±greyish-tomentose just prior to maturity. Seeds 5-6 cm long, 2-2.5 cm wide; wing c. 5-10 mm wide; embryo c. 3 cm long, 1.5 cm wide.