Twining liana, leaves 80mm x 55mm, strigose above, villous beneath. Terminal or axillary panicles with bracts to 5mm long and yellow-pubescent bracteoles to 1mm long. Flowers white outside, purple inside, calyx to 2mm long with 5 glabrous lobes to 6mm long. Corolla 150mm long x 4mm wide, villous inside. 5-lobed, lobes to 2mm long.