Herbaceous liana or perennial woody shrubby vine to 6m with striate-angled stems, corky on basal parts, young stems densely white-strigose. Trifoliolate leaves, terminal leaflet to 110mm x 120mm sparsely pubescent above, densely yellow strigose to tomentose beneath. Racemes to 870mm long with bracts to 12mm x 8mm white strigose beneath & bracteolesto 9mm x 8mm white-hirsute outside & glabrous purplish within. Dark pink lilac or purple flowers with pubescent calyx to 6mm long, united upper lobes 1mm x 6mm, 3 lower lobes 2mm x 2.5mm. Dark pink, lilac or purple standard to 18mm x 15mm, lilac to purple wings to 23mm long, claw to 8mm x 0.5mm, blade 16mm x 11mm, tubular keel. Sparsely strigose pod to 100mm x 13mm with recurved beak 7mm long.