Herb or weak-stemmed climber to 1m, puberulent or glabrescent stems with longitudinal ridges or wings. Glabrous or puberulent leaves to 30mm x 14mm. Axillary solitary flowers to 4mm long with greenish-purple corolla 3mm long & tube 1.5mm long. 2-parted blue fruit to 8mm across with lobes 6mm long