Cymes on side-branches; peduncle up to 4 cm. long, glabrous; pedicels up to 7 mm. long, glabrous; bracts and bracteoles up to 1 mm. long, subulate, glabrous.
Climbing herb; stems glabrous or with a few capitate-glandular hairs near the nodes; tendrils present.
Flower-bud 2–3 mm. long, oblong-cylindric, apex inflated, glabrous.
Ovary glabrous; style c. 2 mm. long, apex scarcely capitate.
Seed 1, c. 7 × 6 mm., ellipsoid-globose, slightly rugose.
Fruit c. 8 × 7 mm., ellipsoid-globose, glabrous.
Calyx 0·5 mm. long, subentire, glabrous.
Petals yellowish-green.