Large liana with slender hairy branchlets, leaves to 130mm x 40mm glabrous but with puberulent nerves above, pubescent beneath, axillary & terminal tawny pubescent panicles to 300mm x 150mm with 4 bracts to 40mm x 10mm & 2 shorter bracteoles to 13mm long, light purple flowers, 5-toothed calyx to 8mm long tomentose outside hairy within with triangular lobes to 3mm long, 2-lipped corolla to 7mm long glabrous with villous ring in throat