Twiner to 15m or more, with strigose stems. Leaves to 70mm x 40mm, glabrous apart from strigose midrib above, silky beneath. Axillary cymes with silky bracts to 4mm long, tomentose sepals, outer three to 8.5mm, inner two to 6.5mm, pinkish-white corolla darker inside, to 25mm long.