Glabrous, herbaceous annual. Stems many, twining or prostrate, up to several metres long, with long internodes, smooth or finely striate. Leaves circular in outline, palmately 5-lobed, 40-120 mm wide; lobes oblong to elliptic, apex obtuse to acuminate, mucronate, attenuate at both ends, somewhat succulent, drying papery, entire or one or both of basal lobes with a laterÂal lobule, central lobe up to 70 x 30 mm, lateral ones smaller; petiole pseudostipulate, up to 70 mm long. Inflorescence cymosely 1-several-flowered; peduncle thick, 20-50 mm long; bracteoles minute, deciduous; pedicels stoutish, subclavate, 5-30 mm long. Calyx muriculate, 7-8 mm long; sepals subequal, ovate-oblong or lanceolate, often reflexed in fruit. Corolla purplish mauve or white, funnel-shaped, 15-25 mm long, limb lobed and crinkly, 25 mm wide; midpetaline areas well defined. Capsule enÂclosed by persistent calyx, globose, shortly apiculate, 8-9 mm in diameter. Seeds depressed-ovoid, 4.5 mm long, brown, p
