Trees to 20 m tall, white resinous. Branchlets stellate-puberulous. Petiole 1.5-2 cm, densely grayish yellow puberulous; leaf blade oblong to oblong-lanceolate, 5-13 × 2-5 cm, leathery, both surfaces glabrous or sparsely pubescent, lateral veins 7-10 pairs raised on both surfaces, tertiary veins conspicuous, base rounded or truncate, margin entire, apex acuminate or acute. Panicle terminal or axillary, 4-8 cm, slender, silver-gray stellate-pubescent. Calyx grayish yellow pubescent; sepals ovate-lanceolate or oblong, unequal, ca. 3.2 cm. Petals white, sometimes yellowish or reddish, oblong or linear-spatulate, ca. 10 × 4 mm, outside pubescent, inside glabrous. Stamens 15; filaments short, unequal; anthers oblong; connective appendages short, obtuse. Ovary globose, densely puberulous; style short; stigma capitate. Fruit globose; 2 calyx segments lorate, longer, 3-4 × 1-1.5 cm, longitudinally 5-veined, apex rounded; 3 shorter segments lanceolate, to 10 × 4 mm, apex acute. Fl. May-Jun, fr. Aug-Sep.
Common, becoming gregarious, especially on dry ridges at elevations to 800 metres in the more seasonal parts of its range; it is confined to Heath forest on podsols and shallow peats below 400 metres near the coast in Bornea.
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