Sometimes scandent undershrub or climbing herb, nearly glabrous, with short recurved prickles, prickly petioles & peduncles. 3-5 lobed, irregularly lobed glabrous prickly leaves to 75mm x 40mm, tomentose beneath. Lateral or extra-axillary & terminal cymes or umbels of violet-blue or white flowers, glabrous calyx 3mm long with 5 lobes to 3mm long, blue corolla with 5 lobes pubescent outside to 37mm diameter. Scarlet, purple or black berry 10mm diameter.