Tree up to c. 30 m by 40 cm ø. Leaves chartaceous to subcoriaceous, elliptic-oblong to-lanceolate, oblong, sometimes ovate-oblong or lanceolate, rarely broad-elliptic, obovate or obovate-oblong, (7-)11-15½(-30) by 3½-7(-12) cm; base cuneate; apex usually obtuse, acute, sometimes short-acuminate; nerves 5-8 pairs, obliquely spreading upwards, elevated and ridged beneath, depressed sometimes plane above; petiole 0.75-1.5 cm. Thyrses up to 18 cm long, (1-)2-5 in an axil, sometimes branched quite from near the base, usually glabrous, very rarely puberulous on the young parts. Peduncle up to 4 cm, sometimes very short. Pedicels c. 2 mm. Flowers yellowish, c. 4.5 mm ø, patent. Calyx lobes triangular or suborbicular, c. 1 mm long, entire sometimes slightly erose, rarely short-fimbriate, sometimes with small papillae on the outer surface. Petals suborbicular or broad-ovate, 1.25-2.5 by 1.75-2 mm, naked, sometimes with villa-like appendages on the inner side, rarely on both surfaces, sometimes with distinct venation. Disk rather thin, dish-shaped, c. 2-3 mm ø, 5-lobed, lobes obtuse or rounded. Stamens short, sometimes the tissue of the disk cushion-like thickened round the base of the filament; anthers suborbicular, small, c. 1/3 mm long, obtuse, slightly acute, or very short-apiculate; filaments usually reflexed after anthesis. Pistil partly immersed in the disk, the free part pyramidal, c. 1/3 mm; style and stigma obscure. Ovules 3-4(-8) in each cell. Fruits 11 cm long, pericarp leathery. Seeds (including the wing) 4½ by 1.25 cm.
Primary forest, frequently on crests of hills, on sandstone, sand, or tuff, once noted on clay, from the lowland up to c. 400 m.
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