Glabrous herbaceous tendril vine, glabous simple tendrils to 70mm long, stems silky becoming glabrescent, glabrous leaves trilobed at summit, middle lobe mucronate to 110mm x 95mm, axillary cymes to 40mm x 40mm to 20 flowers, creamy-white flowers to 25mm diameter, calyx glabrous outside with 5 lobes 10mm long, 5 petals, filaments in 2 series, outer to 9mm, purple-brown mottled creamy-white, inner to 3mm, brown base & white tips, glabrous blue berry to 20mm diameter