Cymes lax; peduncle up to 6 cm. long; pedicels up to 6 mm. long in fruit; bracts and bracteoles up to 1 × 1 mm. long, broadly ovate.
Climber with scattered caducous hairs when young; tendrils 2-fid.
Seed 1, 6 × 5 mm., dorsal crest weak and without lateral ridges.
Ripe fruits black, 6·5 × 5·5 mm. when dry, pyriform, glabrous.
Flower-bud 1·5 × 1·5 mm., very broadly cylindric.
Ovary glabrous; style 0·5–1 mm.
Calyx c. 0·5 mm. long, entire.
Petals greenish.