Leaf bud and stipule outside (glabrous within) densely long pale fulvous hirsute, rarely glabrous, leaf nervation beneath sparsely caducously so, otherwise glabrous. Twig to 3 mm ø towards the apex, much branched, slender, dark, lustrous, smooth; stipule scars pale, prominent. Bud to 12 by 8 mm, ellipsoid-ovoid, subacute. Stipule to 40 by 8 mm, lorate, acute. Leaves 5-15 by 3.5-8 cm, ovate to elliptic (immature), coriaceous persistently prominently plicate; base broadly cuneate; acumen short, slender, to 1 cm long in young trees; nerves 8-12 pairs, prominent beneath, ascending at 35°-55°; tertiary nerves very slender, densely scalariform; petiole c. 1.5(-3) cm long, slender, geniculate, drying black or pruinose. Inflorescence unknown. Flower bud to 3.5 by 1 cm. Calyx and corolla typical; calyx glabrous. Stamens c. 24, as long as style at anthesis; filaments lorate, slender, compressed, somewhat longer than anther; anther linear, tapering into the acicular appendage; appendage c. 1/2 length of anther. Ovary ovoid, pubescent; style columnar, pubescent except in the apical 1/3. Fruit calyx tube to 3 by 3 cm, globose, bearing 5, to 1.5 cm wide, incrassate undulate wings; wings tapering distally, auriculate at base; 2 longer calyx lobes to 12 by 3 cm, lorate, obtuse, c. 6 mm wide at the somewhat revolute base; 3 shorter calyx lobes to 5 by 7 mm, suborbicular, revolute.