Shrub, or mostly a tree, to 30 m; innovations glabrous to grey or rusty velvety. Leaves glabrous, sometimes the midrib above and underside hairy, 7-17(-22) by 3-7½ cm; petiole ll2-1l/2(-2) cm. Racemes up to 10 cm, incl. bracts and flowers grey or rusty tomentose, short-peduncled, 1-12-flowered. Bracts narrow-triangular; pedicels 0-6 mm, with 2(-3) tiny bracteoles. Calyx lobes rounded to triangular, mostly erect, 1-4½ by 2-3 mm, persistent. Corolla sericeous (in Mal.), club-shaped in bud, 2½-5 cm, connate for 3/5-¾, tube 3-4 mm Ø, lobes spathulate. Staminal tube ½ cm shorter than corolla, adnate to the corolla tube except towards apex, free part ½-l ½ cm; anthers 20-110, filaments unequal. Ovary 3-4-celled; ovules 2-4 per cell, usually only 1 developing. Fruit obovoid to spindle-shaped, 3-5 by 2-3 cm; mesocarp thick, hard-fleshy to ± woody.
Mixed dipterocarp forest to upper montane regions, also in kerangas forests; growing on slopes, ridges and plateaux, most commonly on sandy soils; at elevations from sea level up to 2,100 metres, though usually above 800 metres.
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