Tree 30-40 m. Twigs sometimes subangular, (4-)5-7 mm diameter, early glabrescent, hairs 0.1 mm or less; older twigs somewhat cracking, coarsely lenticellate. Leaves (thinly) coriaceous (but brittle), (oblong-)lanceolate, 25-40 by 7-11 cm, base short-cuneate or narrowly rounded, apex acute(-acuminate); upper surface olivaceous or blackish brown, finely wrinkled, lower surface pale, grey-brown, late glabrescent, hairs dense, greyish, scale-like, less than 0.1 mm; not papillose; dots present; midrib raised above, lateral nerves 28-40 per side, at 70-80° to the midrib, usually interspaced by intersecondary nerves, lines of interarching and venation indistinct or invisible; petiole 25-40 by 4-7 mm; leaf bud 20-25 by 4-5 mm, the hairs 0.1 mm or less. Inflorescences incompletely known (from infructescences): peduncle short; male and female flowers not seen. Infructescence below the leaves, short, ± woody, nearly 1 cm long, peduncle 5 by 8 mm, cracked and lenticellate, and with some old flower scars at apex. Fruits solitary, rather stout, broadly ovoid or subglobose, 5.5-6 by 4.5-5 cm, shortly narrowed at apex and base, hairs fine, brown, mealy, 0.1 mm; pericarp hard, woody, 10-12 mm thick, outer layer with scattered stone-cell-like concretions visible on section; seeds broadly ovoid-ellipsoid, 2 cm; fruiting pedicel not discernible.
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