Glabrous annual or perennial herbaceous twiner or creeper with stems covered in minute tubercles, axillary corymbs with pair of bracteoles 1.5mm long, 100mm white or yellow flowers with purple centre, calyx to 10mm long, coriaceous glabrous sepals 10mm x 5mm, yellow corolla 60mm x 50mm with violet tube & sulphur yellow limb, 3-lobed glabrous doubly tripartitite leaves, larger leaves pinnately 5-lobed or doubly tripartite 70mm x 85mm, mucronate lobes, glabrous capsule 10mm diameter