Twining vine, woody corky stems below, glabrous above. Leaves to 62mm x 16mm, mainly glabrous or puberulent on midrib & margins. Extra-axillary racemes of 4-20 flowers, bracts to 0.6mm x 0.3mm. Calyx lobes green to purple to 0.9mm x 0.6mm, puberulent outside glabrous within. White to pale yellow-green corolla with tube to 1mm long, lobes to 1.3mm x 0.8mm, glabrous above, hairy beneath. One glabrous follicle to 47mm x 5mm