Shrub or small tree, often scandent, up to 4 m tall; young branches densely ferruginous short-pubescent to ± villous. Leaves obovate to broadly elliptic, 3.2–13.5 cm long, 1.8–7.5 cm wide, usually widest above the middle, broadly acuminate to obtuse at the apex, cuneate to rounded at the base, margin serrate, ± glabrous except for some hairs on the veins above, densely pubescent to ± glabrous except for a few long hairs on the veins beneath; petiole 3–9 mm long, densely ferruginous pubescent. Inflorescence a terminal or axillary 1–5-flowered cyme, axes densely hairy, sometimes ± villous; peduncle 6–10 mm long; pedicels 6–13 mm long. Flowerswhite, very rarely pinkish; sepals 14–18 mm long, green outside, white within; petals lanceolate, 6–10 mm long, ± 2 mm wide. Androgynophore glabrous for 1–2 mm at the base, densely hairy at the apex but not produced; stamens 8–10 mm long; filaments greenish white; anthers yellow; ovary ± 2 mm long, densely hairy; style 8–10 mm long; stigma green. Fruit (1–)4-lobed, 13–17 mm wide, the lobes 7–9 mm long, 7–9 mm wide, green when young, sparsely long hairy. Fig. 3/11 (leaf, p. 9).