Tree, 10-20 m high, dbh up to 30 cm. Twigs at first angular, becoming terete, 2.5-5 mm diam., canaliculate, pustular lenticellate, light grey to light greyish brown. Leaves 1-jugate; petiole semiterete to sometimes narrowly and deeply grooved above, 0.5-1.5 cm by 1-2.5 mm; petiolules almost absent; leaf axes glabrous. Leaflets elliptic to obovate, 4.5-8 by 1.5-3.5 cm, index 2-3, stiff-pergamentaeeous, often bullate, glabrous; base attenuate; margin strongly recurved; apex emarginate, rounded, or obtuse; nerves 0.5-1 cm apart, slightly curved, nervation dense, distinctly looped and joined near the margin, or nerves more distant and ending free; veins laxly reticulate, inconspicuous or distinct above if nerves are more distant. Inflorescences 1-7 cm long, densely hairy, glabrescent; pedicels c. 2 mm long. Sepals ovate, 1-1.3 by 1-1.6 mm. Petals absent. Stamens 5 or 7; anthers 0.6-0.8 mm long. Pistil 3-locular. Fruits transversely triangular ellipsoid, c. 8 by 8 mm, at base narrowed into a short stipe. Seeds partly covered by a sarcotesta with a narrow free margin.
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