Twining herbaceous climber with glabrous reddish-brown lenticellate stems. Mucronate glabrous leaves to 225mm x 75mm. Axillary paniculate cymes to 10 flowers with fimbriate bracts to 5mm long, sepals to 2mm x 1,5mm, corolla tube to 3mm long with reddish-violet lobes to 10mm x 6mm. Paired follicles.