Tree, up to 25 m, up to 70 cm dbh. Petiole 6-7 mm, black, sometimes glaucous. Leaf-blade 4.5-11 by 2-5.5 cm; above olive-green, midrib narrowly sunken, nervation mostly rather indistinct; beneath reddish olive-green, secondary nerves c. 7-9 pairs, forming an indistinct intramarginal nerve, glands 10-14, sometimes more, mostly ± halfway between midrib and margin, or near the margin, 0.1-0.3 mm diam., basal ones c. 0.3-0.4 mm diam. Pedicel 8-11 mm, rather sparsely shortly lanate. Sepals sparsely minutely hairy outside, rather densely shortly lanate. Sepals sparsely minutely hairy outside, rather densely shortly hairy inside; outer sepals 3.5-5.5 by 3.5-4 mm; inner sepals 5-7.5 by 4-5 mm. Petals 14-16 mm long, white, when dry dark reddish, rather sparsely hairy outside, subglabrous inside. Stamens: filaments 17-22 mm, glabrous at very base, further densely woolly hairy; anthers 1-1.3 mm long, hairy from base to apex. Disk densely hairy, with a small number of patent hairs on upper and lower lobes. Ovary very densely (velvety) hairy; style rather sparsely woolly hairy; ovules 10-16. Fruit (immature) c. 2 cm diam., shortly stipitate, finely pustulate, dark, distinctly bluish-waxy, hairy; pericarp c. 1-4 mm thick; pedicel slender, c. 15-18 mm.