Tree or sometime scandent vine, young stems tomentulose. 7-17 foliolate leaves with leaflets to 120mm x 45mm, glabrate above & pubescent beneath. Axillary & terminal panicles with bracts to 5mm x 2mm & bracteoles to 2mm x 2mm. Flowers to 10mm long with glabrescent calyx to 4.5mm x 2mm, violet petals. Winged fruit to 20mm x 10mm with wing to 55mm x 18mm.