Scandent herb with puberulent or glabrate stems to 4.5m. Ternate leaves puberulent or glabrate, leaflets to 100mm x 35mm. Terminal many-flowered corymbs to 100mm across, hirsute calyx lobes to 5mm long, red, lavender or pink corolla glabrous outside, tube 15mm x 3mm with lobes 5mm long.
Unpleasant odour from broken stems.