Tree up to 33 m high, dbh up to 1 m; puberulous, early glabrescent; buttresses usually present, up to 1 m high, 2 m spreading, and 3 cm thick; bark grey to darkbrown (to white), smooth. Twigs 3-10 mm in diam., sometimes grooved. Leaves 1-4-jugate; petiole 4-20 cm long; petiolules 4-15 mm long. Leaflets ovate to elliptic, 7-38 by 2-16 cm, index 2-3, pergamentaceous to coriaceous, (± bul-late); base rounded or obtuse (to acute), domatia absent or inconspicuously in the axils of the nerves below; midrib not visible above and hidden in a narrow groove, (or a very slender and sharp, sunken line); nerves 12-30 per side, usually very regular, moderately curved; veins usually very regularly reticulate, above prominent to indistinct, beneath prominent. Inflorescences axillary, pseudoterminal, and ramiflorous on branches up to 12 mm in diam., up to 32 cm long; axes branched; bracts up to 2 mm long. Calyx connate for up to 25%; lobes triangular, up to 1 by 1 mm, subcoriaceous to somewhat fleshy, outside sparsely, inside more densely pubescent, near the base with a dense row of hairs. Petals 0-2, elliptic, up to 1 by 0.5 mm, not clawed, inside pubescent, with two hairy auricles at the base. Disc annular, c. 1.5 mm in diam., puberulous. Pistil densely short sericeous. Fruits 14-28(-40) mm high, glossy, glabrous; stipe (0)1.5-6(-15) by c. 1.5 mm; seed-bearing part ellipsoid to obovoid, triangular to rounded-triangular in cross section, up to 1.5 cm wide; endocarp thin, completely sclerenchymatic, pubescent to densely woolly; septa densely woolly to glabrous. Seeds ellipsoid, 10-14 mm long; cotyledons subcollater-al, lower cotyledon folded, usually smaller than the upper one, (upper one folded).
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