Small tree, 6-10 m, 30 cm Ø, sometimes fasti-giate. Twigs glabrous. Leaves glabrous, acuminate with acute, attenuate base and crenate margin, ± elliptic, 2-5¾ by l-2½ (-3)cm; nerves 5-9 pairs; petiole 2-9 mm. Raceme basally branched; axis glabrous or sparsely (long-)pilose 1½-3½ cm. Bracts and bracteoles persistent, glabrous or sparsely pilose on the midrib, 3-8 and l½-3 mm long respectively. Pedicel (0-)½-2½ mm long. Calyx glabrous, 1½-2½ mm long, the lobes ovate, acute, 1½-2 mm. Corolla 5-7 mm. Stamens stout, 20-30. Disk glabrous. Ovary glabrous, 1½—3 mm high; style glabrous. Fruit ovoid, 5-7 by 3-5 mm; stone ampulliform, the belly irregularly grooved. Seed 1, U-shaped, embryo U-shaped.
Montane rainforest, also in mossy forest, 1600-2450 m. Fl. Jan.-April; fr. Febr., May. Flowers recorded as scentless, the white corolla outside and apically blue violet tinged.