Vigorous twining perennial to 3m with glabrous stems. Mucronate leaves to 100mm x 80mm. mostly 3-lobed, mostly glabrous aboce & pubescent beneath. Axillary cymes with mucronate bracteoles to 5mm long, puberulent sepals to 22m x 12mm, pale pink glabrescent corolla to 90mm long with limb 50mm diameter. Glabrous brown capsule 15mm x 10mm, enclosed by persistent sepals.