Tree 7-21 m high, dbh 25-30 cm, not buttressed; bark rugose, somewhat scaly, not to slightly fissured, dark grey to brown. Indumentum short, ap-pressed, straight. Branchlets hairy when young; flowering twigs 2-3 mm thick, fruiting twigs 3.5-7 mm thick. Leaves 2-4-jugate; petioles 1-9 cm long; rachis 1.5-10.5 cm long, hemiterete, often with a ridge above, glabrous to slightly hairy when young; petiolules 1-7 mm long, not to 1-grooved. Leaflets opposite to subopposite, ovate, 4.4-17.8 by 1.4-5.9 cm, index (2.3-)3-4.9, not to slightly falcate, coriaceous to chartaceous, (punctate), upper surface glabrous, lower surface glabrous to slightly hairy on major nerves, colour the same as to slightly different from above; base symmetric, acute; apex acuminate to caudate, very apex rounded, not mucronulate; venation flat above, colour the same as lamina, raised below, nerves marginally indistinctly looped, veins weakly scalariform, lax, distinct; domatia few to many large sacs opening on top. Inflorescences axillary to pseudoterminal, branching along rachis; rachis flattened when young, terete when in fruit, 3-18 cm long, hairy when young; first-order branches up to 3.5-4 cm long; cymules (irregularly) dichasial, 1-7-flowered; bracts 0.3-1 mm long, bracteoles 0.1-0.3 mm long; pedicels 3-5 mm long, elongating up to 5-8 mm in fruit, hairy when young. Flowers 2 mm in diameter. Calyx 0.8-1.1 mm high, deeply incised, outside hairy, inside glabrous, teeth equal, not punctate, margin not membranaceous, apex acute. Petals 5, rhomboid to obovoid, 0.6-0.8 by 0.5-0.6 mm, not punctate, claw 0.1-0.3 mm long, blade gradually decurrent into claw, margin entire, pilose, apex obtuse, outside pilose, inside subgla-brous to pilose; scales 0.6-0.7 mm long, free, basally not auriculate, apex broadened, densely pilose. Disc pilose. Stamens 7 or 8; filaments 2.2-2.8 mm long, pilose; anthers 0.8-0.9 mm long, straight, pilose, connective not protruding. Ovary 2-(or 3-)locular; style and stigma elongating up to 1.2-2.2 mm in fruit, not lobed, in fruit upper 0.6-1 mm stigmatic. Fruits with l or 2 well-developed lobes, 1.5-2.2 by 1-2.9 cm, loculicidal, smooth, subglabrous to slightly hairy, stipe 1.5-2.5 mm long, slender, lobes laterally not flattened, 15-19 1 y 10-12 mm, dorsally angled; endocarp thin, c hartaceous to coriaceous, (sub)puberulous on sut-ures. Seeds ovoid, not flattened laterally, c. 14 by 9 mm; arillode covering ½-¾ of the seed, lobed, not folded towards the base inside, thick towards base, coriaceous, 2-layered.
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