Shrub or stout climber to 4 m; stems glabrous, with or without prickles. Leaves opposite, oblong, bluntly acute; lamina to 20 cm long, 3-5 cm wide; petiole 5-7 mm long. Inflorescence axillary; pedicels absent or 1-2 mm long. Flowers numerous, 20-30 mm diam., pale green to white. Sepals 7-9 mm long, 3-4 mm wide. Petals 7-9 mm long, 2.5-3.5 mm wide. Stamens 12-15 mm long; filaments 6-8 mm long; anthers 6-8 mm long. Ovary ovoid, 4-5 mm long, glabrous; style short; stigma capitate or absent. Berry 8-20 mm diam., black. Seed 1, ovoid, 6-12 mm long, pale yellow-brown, drying dark brown.
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