Shrub or small tree to 4 m high. Leaves with petiole 5–12 mm long; lamina elliptic-lanceolate to elliptic-oblong, 5–17 cm long, 1.5–6 cm wide, cuneate, often variously lobed and sinuate, obtuse, acute or shortly acuminate, discolorous; secondary veins 14–18 each side of midrib; tertiary venation reticulate, prominent. Inflorescence usually with less than 30 flowers. Flowers 15–18 mm long, 14–20 mm diam.; pedicels 31–45 mm long. Sepals lanceolate-ovate, 8–9 mm long. Corolla white; tube 10–11 mm long; lobes ovate to obovate, 8–9 mm long. Fruit globose-ovoid, c. 5.5 cm long, 4 cm wide, 4 cm thick, colour unknown.