High-climbing foul-smelling twining liana with lenticellate glabrous stems. Glabrous leaves to 65mm x 38mm. Axillary cymose panicles of 3-7 pink to purple flowers, triangular calyx lobes to 1mm long, whitish-blue glabrous corolla to 10mm x 1mm, light purple corolla lobes with darker purple on base to 3mm. Glabrous fruit to 16mm x 10mm crowned by persistent calyx lobes.