Climber to 5m with pilose ;lenticellate stems. Bifolilate leaves, blades to 189mm x 123mm, pilose beneath with simple tendrils. Flowers creamy-yellow inside with brown lines in 2-4 flowered terminal racemes, 5-toothed calyx to 6mm x 5.1mm, corolla creamish outside, yellowish inside to 52.8mm with tube to 40mm x 5mm, lobes to 15.4mm x 15.2mm. Woody fruits to 68mm x 28mm.