Shrub or stoutly branched climber to c. 10 m; stems glabrous, with or without prickles. Leaves opposite or alternate, elliptic, acute, tapering at base; lamina 5-10 cm long, 2-3 cm wide; petiole 4-6 mm long. Inflorescence axillary, with few to numerous sessile flowers. Flowers 8-12 mm diam., cream to white. Sepals 6-8 mm long, 3.5-5 mm wide. Petals 6-8 mm long, 3-4.5 mm wide. Stamens 6-9 mm long; filaments 1-2 mm long; anthers 5-7 mm long. Ovary ovoid, 2.5-4 mm long, glabrous; style 1-2 mm long; stigma capitate. Berry 8-20 mm diam., black. Seeds 1 to few, ovoid, 5-10 mm diam., pale yellow-brown, drying dark brown.