Climber to 6m with twining stems. Leaves to 150mm long in whorls of 3-5, leaflets to 70mm x 25mm. Many-flowered terminal racemes or corymbs to 65mm x 95mm with bracts to 35mm long, calyx with 4 lobes to 4mm long, tubular red corolla to 15mm x 1.5mm with 4 lobes 3mm long. 2-lobed green fruit to 5mm x 7mm with persistent calyx lobes.