Tree 6-20 m. Twigs 2.5-5 mm diameter, sometimes yellowish, glabrescent; hairs pale, 0.1 (-0.3) mm; older twigs brownish black, longitudinally cracking, frequently flaking; lenticels not apparent. Leaves membranous, chartaceous, or thinly coriaceous, elliptic-oblong or oblong-lanceolate, 11-30 by 3.5-10 cm, base rounded or short-acute, apex acute or acute-acuminate; upper surface olivaceous (greenish), lower surface grey or pale cinnamon, early glabrescent or with (sub)persistent dispersed greyish and pale brown hairs less than 0.1 (-0.3) mm; conspicuously papillose; dots absent; midrib ± flat above, lateral nerves 13-20 per side, at 80-60° to the midrib, sunken above, lines of interarching and venation indistinct; petiole 12-28 by 1.5-3 mm; leaf bud 8-12 by 2.5-3 mm, hairs greyish or pale brown, appressed, 0. l(-0.3) mm or less. Inflorescences among the leaves, pedunculate, branched; in male: slender or broad, 2-6 by 2-4.5 cm, peduncle (5-) 10-20 mm, lowest branches 10-20 mm, central axis short or long, with 1-3 (sub)sessile laterals, with clusters of 5-10 flowers, buds of different sizes; bracts 3 mm, short-pubescent, caducous; female inflorescences: as in male but smaller, 1.5-2.5 cm, few-flowered, peduncle 5-10 mm; flowers drying yellow-brown or orange, hairs sparse, grey-brown, 0. l(-0.3, see note 2) mm or less. Male flowers: pedicel 3-6 by 0.5 mm, bracteoles rounded or irregularly 3-topped, 1.5—2(—3) mm; buds (broadly) ellipsoid, 3-4 by 2.5-3.5 mm, apex broadly rounded and slightly 3-angled, cleft 1/2-2/3, lobes 0.4-0.5 mm thick, at anthesis ± curved outwards. Androecium ellipsoid-cylindrical, 1.5-3 mm; androphore 0.2-1 mm long, about as broad as the androecium, hairs light brown, 0.1 mm or less; synandrium 1.5-2 by 0.8-1.2 mm, thecae 14-20, sterile apex broad and flat or irregularly truncate, 0.1-0.3 mm, or absent. Female flowers: pedicel 2-3 mm; buds 4(-4.5) by 3.5-4 mm, cleft 1/2; ovary ovoid, hairs dense, minute, brown. Fruits 1 or 2 per infruc-tescence, ± ellipsoid, (4.5-)5-7.5 by 3-4.5 cm, indumentum persistent or late glabrescent, hairs dark cinnamon, mealy, 0.1 (-0.3, see note 2) mm; pericarp 5(-8) mm thick; seeds (3.5-)4-4.5 cm; fruiting pedicel smooth, ± tapering, 5-9 mm, bracteole scar somewhat below the fruit.
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