Extensive climber, climbing with aerial roots and showing sympodial branching; almost leafless when old, very thick, fleshy, contracted at nodes, quadrangular, 4-winged, along internodes, tendrils present at some of the nodes often long, jointed, simple and leaf opposed; leaves simple, broadly cordate or reniform, 3-5 lobed, margins serrate, glabrous, apex obtuse, base cordate; flowers greenish yellow in shortly peduncled, dichotomously branched, glabrous, umbellate cymes; calyx short, entire or 4-5 lobed; petals 4-5, free or cohering at apex, yellow, ovate oblong, acute, glabrous; disc 4-lobed; stamens 4-5, inserted below the margins of disc; anthers free; ovary 2 celled; ovules 2 in each cell, style conspicuous, slender, stigma capitate; berries erect, globose, red when ripe, succulent, in size of a pea, 1-2 seeded; seeds very small, obovoid, smooth.