Twining vine with older stems slightly woody, younger stems white hairy. Leaves to 170mm x 120mm, glabrous above pubescent beneath. Racemes or panicles with bracts to 2mm x 0.5mm, calyx tube to 0.5mm long with green lobes to 5mm x 2.5mm. Green to pale brown corolla with darker green veins, tube to 6.5mm long with lobes to 15mm x 11.1mm.