Very tall buttressed tree. Parts glabrous but for the greyish green lepidote leaf undersurface and young parts. Twig c. 2 mm ø apically, slender, pale grey-brown, terete. Buds to 2 by 2 mm, small, acute; stipules to 20 by 3 mm, linear, acute. Leaf 8-16 by 3.5-8 cm, oblong-lanceolate to oblanceolate, somewhat chartaceous; base broadly cuneate to subcordate; acumen to 1 cm long, tapering; nerves 13-18 pairs, very slender, arched, ascending, elevated on both surfaces as also the very slender subreticulate tertiaries, with a few short secondary nerves; midrib slender but prominent, terete, beneath, channelled above; petiole 12-32 mm long, slender. Panicle to 9 cm long, terminal or axillary. Flower white; buds to 6 by 5 mm, broadly ovoid; 2 longer sepals lorate-lanceolate, subacute; 3 shorter sepals very short, deltoid, prominently slender acuminate. Petals broadly ovate, glabrous. Stamens 15; filaments lorate, tapering, c. 1/2 length of the slightly tapering lorate anthers; appendages very short, acicular. Stylopodium absent; style prominent, columnar, glabrous, with obscurely trifid apex. Fruit pedicel to 3 by 2 mm, prominent. Calyx tube to 1.5 mm ø, subglobose; 2 longer lobes to 15 by 3 cm, spatulate, obtuse, c. 4 mm broad at base; 3 shorter lobes to 13 by 3 mm, linear-lanceolate.