Liana with twining stems. Glabrate or pilose leaves 150mm x 100mm. Corymbose inflorescence of 8-20 greenish-yellow flowers with white bracts to 20mmx 5m, white calyx lobes to 20mm long, glabrous corolla to 22mm long, tube 15mm x 1mm, lobes to 10mm. Gabrous follicles to 450mm long