Evergreen root-climber to 30m, tomentose young shoots, coriaceous leaves to 160mm x 90mm sparsely pubescent becoming glabrescent above & ferrugineous-pubescent beneath, axillary umbels with pubescent bracts to 30mm long, yellowish-white flowers, glabrous creamy-white staminate flowers with 4 petals to 2.5mm x 2mm