Tree 3-22 m. Twigs 1-1.5 mm diameter, subangular, yellowish or reddish brown, early glabrescent, hairs 0.1 mm or less; older twigs neither cracking nor flaking; lenticels absent or small and indistinct. Leaves membranous or thinly coriaceous, elliptic-oblong to oblong-lanceolate, 5-16 by 1.2-4.2(-4.5) cm, base attenuate, apex acute-acuminate; upper surface olivaceous or brown, lower surface pale grey-brown, late glabrescent, hairs sparse, scattered, pale, less than 0.1 mm; ± papillose, but this sometimes not very distinct, or only in old leaves (lens!); dots absent; midrib raised above, lateral nerves 7-14 per side, at 60-80° to the midrib, flat above, (little) raised below, lines of interarch-ing and venation indistinct; petiole 7-12 by 0.7-1.2 mm; leaf bud 6-8 by 1 mm, hairs 0.1 mm or less. Inflorescences between and below the leaves, peduncle absent; in male: simple or 2-armed scar-covered brachyblasts to 5 mm, early glabrescent; bracts ± round, 0.5 mm, hairs coarse, caducous; flowers 1-10 in a subumbel, buds of slightly variable sizes; female inflorescences 1-3-flowered; flowers with minute (blackish) brown hairs 0.1 (-0.2) mm. Male flowers: pedicel 1-1.5 mm, bracteole 0.5-1 mm, persistent; buds almost tubular, 3.5-5 by 1.5-2 mm, apex rounded or subacute, base (shortly) attenuate, cleft 1/5-1/4, lobes 1 mm long, 0.1-0.2 mm thick, at anthesis suberect. Androecium slender, 3.2-5 mm, included or shortly exerted; androphore 1-2 by 0.4-0.5 mm, pubescent for lower 1/2-2/3, hairs pale, 0.1-0.3 mm, longest towards the base; synandrium 1.7-3 by 0.5-0.6 mm, thecae 6-8, ± spaced, with a minutely 3-lobed sterile apex 0.1-0.3 mm. Female flowers: 3-or 4-lobed, pedicel 1-2 mm, bracteole 0.5 mm, ± apical; buds ovoid, 4 by 2.5 mm, cleft 1/4, lobes 1 mm long, at anthesis somewhat curved outwards; ovary ovoid, 2.5 by 1.8 mm, hairs 0.2-0.3 mm. Fruits solitary or 2 or 3 together, ellipsoid, 1.5-2.5 by 1.2-1.5 cm, apex rounded or shortly acute, at base ± contracted into an up to 4 mm long pseudostalk; hairs mealy, 0.1-0.3 mm, longest on the pseudostalk; pericarp 2 mm thick; seeds broadly ellipsoid, 1.2-1.7 cm; fruiting pedicel slender, (1-) 2-4 mm, bracteole scar slightly below the apex.
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