Tree 17-40 m. Twigs 1.5-2.5(-3) mm diameter, late glabrescent, hairs either short, 0.1-0.2 mm, or hairs conspicuous, rust-coloured, 0.5-1 mm mixed with emergent hairs 1-1.5 mm (see note 2); older twigs (coarsely) flaking; lenticels inconspicuous or absent. Leaves chartaceous or thinly coriaceous, elliptic-oblong or ± lanceolate, 7-15 by 2-4 cm (to 22 by 8 cm of sapling shoots), base rounded or attenuate, apex rounded, rather blunt, or acute; upper surface olivaceous or brown, lower surface greyish brown, glabrescent, hairs scattered, 0.1 mm or less; distinctly papillose; dots absent; midrib above slightly raised, lateral nerves 10—15(—18) per side, at 45-70° to the midrib, lines of interarching and venation indistinct on both surfaces; petiole 12-25 by 1-2 mm; leaf bud 10-15 by 1.5-2.5 mm, hairs 0.1-0.5 mm. Inflorescences generally below the leaves, pedunculate, with shaggy hairs (0.2-)0.5-l mm, sometimes glabrescent; in male: 2.5-3.5 by 2.5-3 cm, peduncle 6-10 mm, lower branches 10-15 mm, central axis 10-20 mm long, with 1 or 2 subsessile subumbels, the latter with 6-12 flowers, buds of variable sizes; bracts caducous, 4 mm; in female: 1.5 cm long, ± branched, few-flowered; flowers and inflorescences with hairs (0.2-)0.5 mm. Male flowers: pedicel 4-8 by 0.5 mm, bracteole 2 mm, caducous; buds ovoid-ellipsoid, 4-4.5 by 3(-3.5) mm, cleft 1/5-1/4, lobes membranous, (0.2-)0.3 mm thick. Androecium slender, 3.5 mm; androphore 1.5 by 1 mm, with hairs 0.3 mm in the lower 2/3; synandrium 2 by 0.8-1 mm, apex ± acute, thecae 14-16(7), sterile apex absent. Female flowers not seen (young fruits densely pubescent). Infructescence 1-1.5 cm long. Fruits 1 or 2, broadly ovoid, 5-8 by 4.5-5 cm, early or late glabrescent, hairs mealy, 0.2-0.3 mm, persistent at the base; pericarp 15-20 mm thick; seeds ellipsoid, 3-3.5 cm; fruiting pedicel ± stout, 5-9 mm.
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