Very low shrub or small tree, 1-10 m, up to 10 cm dbh. Axillary buds narrowly triangular, c. 2.5-6 mm long, basally and centrally thickened, acute, shiny. Petiole 3-6(-7) mm, often rather shiny. Leaf-blade 3.8-25 by 1.6-10 cm, base obtuse to cordate or cuneate, apex acutish; above rarely faintly bullate between the secondary nerves, light to dark greyish green, midrib mostly slightly sunken, sometimes a little prominent, venation rather indistinct; beneath glaucous-papillose to nearly smooth, secondary nerves (5 or) 6—13 pairs, forming a mostly rather indistinct intramarginal nerve; glands numerous, scattered, c. 0.1 mm diam., the basal ones often somewhat larger. Inflorescences unbranched or rarely with one branch, much shorter than to three times as long as the leaves; axes mostly very slender, mostly less than 1 mm thick, (rather) sparsely minutely hairy; in basal part flowers usually with 3 together; bracts small, either with 2 large glands (in Bornean material) and then rather long-persistent, or eglan-dular (in Malayan and Philippine collections) and then soon caducous; lower bracts (sub)opposite. Pedicel 2-25 mm, slightly grooved, appressedly to patently, sparsely to rather densely hairy, rarely glabrous. Sepals rarely glabrous outside; outer sepals (1.5—)2—4 by (1.3—)2—3.5 mm, without or with (in most Bornean material) very distinct glands; inner sepals 3-6 by 4-6 mm. Petals white or pinkish, when dry brownish to dark reddish, nearly glabrous, api-cally with few hairs, basally inside slightly hairy, the longest one 11-23 mm. Stamens: filaments free or connate over up to 2 mm; anthers 2-2.5 mm long, minutely hairy all over. Ovary sessile to distinctly stipitate, appressedly whitish hairy; ovules 8-15. Fruit globular, up to 1.8-3 cm diam., dull, light brownish; pericarp thin, rather brittle.
Undisturbed mixed dipterocarp and sub-montane forests at elevations up to 1,500 metres. On hillsides and ridges on poor sandy to ultrabasic soils. In secondary forests usually present as a pre-disturbance remnant.
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