Shrub or tree, 2.6-30 m high, up to 30 cm dbh. Twigs glabrous or puberulous, black, shiny; branching sometimes dichotomous. Leaves unifoliolate, usually with an articulation between blade and petiole; petiole 0.5-1 cm long, semiterete, rarely very narrowly winged, almost glabrous; leaf blade subcoriaceous or chartaceous, elliptic, 4-9.5(-11) by 1.7-4.4(-4.8) cm, with base acute and apex acuminate, glabrous on both surfaces; margin sometimes minutely thickened and revolute, crenate, c. 8-19 notches on each side; midrib flat or slightly depressed above, glabrous, prominent beneath with sparse indumentum, secondary and tertiary venation flat above and beneath, reticulum dense. Stipules obovate, ligulate or spathulate, c. 0.7 by 0.4 cm. Inflorescence usually a pair of dyads, sometimes a few successive nodes reproductive; peduncles 0.2-1.6 cm long, sparsely puberulent; axes of racemes up to 8.5 cm long, puberulent; floral buds inserted singly. Flowers bisexual; pedicel 1-1.2 mm long in flower, 1.4-2.6 mm long in fruit, almost glabrous; calyx lobes 0.5 by 0.4 mm, sparsely hairy on outer surface, ciliate; petals oblong, 1.2 by 0.6 mm, apex rounded; disc lobes 0.2-0.3 mm long, oblong, minute-ly strigose; filaments c. 2.2 mm long; ovary c. 1 mm long, densely pubescent; styles c. 1 mm long, diverging; stigmas capitate, papillose. Capsule with valves 2-2.5 by 1.2-1.6 mm at dehiscence; exocarp strigose-pubescent; calyx lobes persistent. Seeds 0.5-0.6 mm long, c. 8 per capsule, often persisting in capsules after dehiscence, comose at both ends, the hairs to 1.5 mm long, hairs almost ‘sticky’.
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