Tree, up to 32 m, 40 cm dbh. Twigs rufous-hairy. Axillary buds to 1.8 mm long, but often much smaller, densely pubescent. Petiole 7-21 mm, densely patently pubescent, more or less glabrescent, apically often with large glands. Leaf-blade 8-25 by 4-13 cm, base sometimes cordate; above bright (neonlike) yellow-green to light greyish green, midrib and nerves slightly sunken, venation indistinct; beneath light brownish to brownish green, papillose, rather densely hairy, secondary nerves 5-9 pairs, forming a rather distinct intramarginal nerve in apical or rarely also in basal part; glands very numerous, c. 0.1 mm diam., basal glands large, situated on the midrib at the very base of the leaf and then obscure, or at very apex of the petiole and then conspicuous. Inflorescences sometimes unbranched, shorter than to as long as the leaves; axes finely ribbed, very densely rufous-hairy; bracts conspicuous, persistent, often with distinct glands, bracteoles small, subpersistent. Pedicel 4.5-7(-10) mm, ribbed, very densely rufous-hairy. Sepals persistent or not, sometimes present under fully ripe fruits (then up to c. 12 mm long), very densely rufous-hairy outside, glands present or not, inconspicuous; outer sepals c. 4-6 by 4-6 mm, mostly slightly ribbed; inner sepals c. 5-7 by 4-6 mm, keeled. Petals white, the upper ones with a yellow spot, when dry yellowish, the longest one 12-15 mm; carina very densely yellowish brown pubescent outside, inside hairy in apical part; other petals pubescent outside in apical part or only apically tufted. Stamens: filaments glabrous; anthers 0.4-0.6 mm long, shortly hairy at base or glabrous. Ovary very densely rufous-pubescent all round or pubescent in 4(-8) rows, the median rows mostly longer than the lateral ones; style very densely rufous-pubescent in apical part; ovules 12-14. Fruit globular, up to 1.8 cm diam., often with 2-4, sometimes hairy ridges running down from the style-scar, yellowish green, dull, finely tuberculate; pericarp rather thick, hard; not rarely some sepals present.
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A tree. It grows 40 m tall. The leaves are alternate and simple. They are hairy underneath. The flowers are 2 cm across. They are yellow to red. They are in groups. The fruit are about 2 cm across. They are greenish-brown. The seeds have a fleshy layer or aril around them.
Undisturbed to slightly disturbed (open) mixed dipterocarp and keranga forests up to 300 metres. On hillsides and ridges with sandy to clay soils, but also on limestone. In secondary forests usually present as a pre-disturbance remnant, or planted.
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It is a tropical plant. It grows in open forests up to 300 m above sea level. It grows in hillsides. It can be on sandy, clay or limestone soils.
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