Tree up to 39 m by 70 cm ø. Bark rough, fissured, greyish sometimes dark-brown. Branchlets terete. Leaves coriaceous, subobovate sometimes elliptic, 4.5-13 by 2½-7 cm; base cuneate; apex obtuse and apiculate, the pointed part usually slightly folded upwards and shallow-sac-like, sometimes obscurely acute, rarely notched; nerves 4-6 pairs; petiole 0.5-1.5 cm. Panicles solitary, up to 10 cm. Peduncle very short, sometimes up to c. 4 cm. Pedicels 3-6 mm. Flowers white. Calyx lobes patent or the apex slightly curved upwards, triangular, 1/2-⅔ by 1 mm, slightly ciliate. Petals triangular, or slightly ovate-oblong, 3-3.5 by 2-2½ mm, slightly erose, appendage rather small, at the upper half. Disk slightly angular, fleshy, usually covered with minute papillae, c. 3 mm ø. Stamens inserted between pistil and edge of disk; filaments c. 1.5 mm; anthers slightly deltoid, c. ⅔ mm long and wide, obtuse. Pistil c. 1.5 mm emerging from the disk, triangular at the base, gradually narrowed into a cylindric style. Ovules 6 in each cell. Fruits c. 1 cm long, usually minutely tuberculate. Seeds including the wing 4.75-6 by 1-1.5 cm.
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