Climber to 13m, glabrescent striate young twigs, coriaceous leaves to 300mm x 140mm mostly glabrous above & rusty-pubescent beneath, solitary extra-axillary flowers with basal bract 6mm long, rusty tomentose sepals to 15mm x 13mm, coriaceous yellow petals pubescent glabrous inside, outer petals to 30mm long, inner petals to 14mm long, slightly pubescent fruit to 13mm long