Climbing shrub with corky bark. Glabrous leaves to 300mm x 260mm. Axillary racemes or cauliflorous racemes to 160mm long with bractlets to 4mm x 3mm of 2 flowers, purple flowers with a yellow throat & dark purple spots to 40mm long, purple calyx with yellow throat & purple spots, curved tube to 40mm x 30mm, 3-lobed limb.