Epiphytic climber with glabrous rooting stems to 6m. Leaves mostly glabrous above & hairy beneath to 425mm x 130mm with tothed margins. Many-flowered axillary cymes with bracts to 20mm x 8mm, calyx tube 3mm long with lobes to 9mm x 3mm, yellow corolla with red hairs, to 39mm long with tube to 34mm long & lobes to 13mm x 4mm.