Large tree. Parts glabrous but for the cream puberulent ovary apex. Twigs c. 2 mm ø apically, much branched, blackish. Buds to 9 by 2 mm, lanceolate, drying blackish; stipules unknown. Leaves 4-7 by 8-13 cm, elliptic, coriaceous; base broadly cuneate to obtuse; apex shortly acuminate; nerves 9-12 pairs, ascending, prominent beneath; tertiary nerves densely scalariform, slightly elevated beneath; petioles 1.5-3.2 cm long, slender. Flowers and inflorescences unknown. Fruit pedicel to 2 by 2 mm; calyx tube to 2.2 cm ø, subglobose, with 5 prominent continuous to 8 mm wide coriaceous wings; 2 longer lobes to 12 by 3 cm, oblong-lorate, obtuse, tapering abruptly to c. 8 mm wide at the revolute base; 3 shorter lobes to 5 by 5 mm, suborbicular, subrevolute, small.