Mostly glabrous liana or climbing shrub with bifid or trifid tendrils. Imparipinnate leaves, glabrous leaflets to 100mm+ x 45mm. Axillary downy panicles with bracts to 2.5mm long & bractlets. Yellow flowers with white lobes or white flowers yellowish inside with red lobes, tomentose calyx to 5mm x 5mm, yellow, yellowish or white corolla or yellow with pink throat, to 50mm long. Capsule to 350mm x 10mm.