Annual twining glabrous herb. Leaves to 90mm x 70mm with undulate margins. Axillary few-flowered cymes with bracteoles to 3mm, dark green sepals with white margin, to 6mm x 3mm, glabrous corolla to 40mm long, white outside & yellowish inside, blue limb 30mm diameter. Beaked glabrous capsule 8mm x 7mm.