Tree, up to 24 m high, dbh up to 40 cm, with low buttresses. Twigs 2-4 mm in diam., puberulous, late glabrescent. Leaves 1-4-jugate; petiole 1.5-5.5 cm long, 1-1.5 mm thick, terete to semi-terete; axes tomentellous or puberulous, variably glabrescent; petiolules 2-5 mm long, above narrowly and deeply grooved without a median rib. Leaflets elliptic to obovate, 5-12.5 by 2-4.5 cm, index 2.25-3.5, stiff-coriaceous, above sparsely puberulous on the midrib to glabrous, beneath tomentellous on midrib and nerves, densely to thinly short-sericeous in between; domatia absent; base rounded to acute; sides curved; apex with a short, broad, obtuse to rounded acumen; midrib above a slender sunken rib, nerves 0.4-1 cm apart, slightly grooved above, intercalated veins variable, few well developed, reticulum minute, beneath prominulous to invisible. Inflorescences pseudoterminal to probably terminal. Sepals slightly connate only, c. 1.5 mm long. Petals absent. Disc glabrous. Stamens 6 or 7. Ovary 2-celled. Fruits ellipsoid, at least 3 by 2 cm, densely aculeate, the appendages bulbous-based, flattened, acuminate triangular to acicular, straight or curved, obtuse, 3-6 mm long, woody, at least the apical part densely ferrugineous-puber-ulous; wall coriaceous, c. 0.5 mm thick.
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