Tree up to 30 m high and 80 cm ø. Buttresses occasionally present, up to 2½ m high, 10 cm thick. Bark brown, flaky. Leaves coriaceous, elliptic-oblong, rarely oblanceolate, 8-14 by 2½-4½ cm, glabrous; base cuneate or attenuate; apex obtuse, sometimes shortly acuminate, rarely emarginate; nerves 9-18 pairs, slightly elevated beneath, flat, distinct or faint above; veins reticulate, or transverse and parallel, distinct beneath or on both surfaces, sometimes faint above; petiole 1½-2¼ cm. Panicles 6-17 cm long, puberulous, glabrescent; pedicels 1½-2½ mm, articulated. Flower-buds lanceolate, 5-6 by 1½-2 mm, acuminate. Calyx 5-6 mm long, circumscissile, sparsely puberulous outside, densely hairy at the apical part on both surfaces. Petals white or pale lilac, contorted or imbricate, narrowly lanceolate, or linear, 4½-6 by 1 mm, densely puberulous outside, papillose at the central part inside. Stamens (8-) 10, 3-4 mm; filaments sparsely hairy; anthers oblong, c. ½ mm long. Torus subglobose, 1-1¼ mm ø. Ovary subglobose, c. ½ mm ø, glabrous; stipe 1-2 mm; style terminal. Drupe on a centric stalk (⅔-1½ cm); wing-like, enlarged petals narrowly oblanceolate, 5-9 by 1-1½ cm; embryo subglobose, c. 1 cm Ø; cotyledons free.
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