Liana to 40m with longitudinally furrowed hairy branches. Coriaceous hairy leaves to 370mm x 235mm. Cauliflorous inflorescence on short spurs with small densely hairy bracts, greenish-white flowers with purple venation, pale green outside with 3 orange-yellow lobes with purple markings, tube to 35mm long and 15mm diameter at apex, 3-lobed limb with triangular lobes to 50mm x 14mm. 6-ridged green or yellow-green glabrescent capsule to 300mm x 40mm.