Large liana with lenticellate stems. Coriaceous glabrous leaves 95mm long x 32mm. Terminal racemes or panicles with bracts 3mm long, white or greenish-white flowers, red in throat to 6.5mm long, glabrous calyx 3mm long, corolla tube 6.5mm long with lobes to 14mm x 5.5mm. Follicles to 500mm long.