Lianas, low to moderately high climbing, often scrambling over low vegetation. Branches usually hairy, sometimes glabrous or glabrate; branchlets succulent to subsucculent when young, becoming woody; growing tips usually hairy; tendrils 2-branched. Leaves simple; petiole shorter than blade; blade oblong to ovate, 5–15 × 2–8 cm, unlobed, margins coarsely to finely serrate, surfaces usually hairy, sometimes glabrous. Flowers greenish or yellowish green. Berries black, 6–10 mm diam. 2n = 48.