Twining vine, woody corky stems below, young stems puberulent. Leaves to 37mm x 13mm, puberulent beneath, glabrous above. Extra-axillary racemes or panicles of 5-14 flowers, with bracts to 0.5mm x 0.3mm. Green to purple calyx lobes to 1.2mm x 0.9mm, puberulent outside glabrous within. White or pink-tinted glabrous corolla with tube to 1mm long, white lobes to 2.3mm x 1mm with hairy margins otherwise glabrous. Glabrous follicles to 60mm x 3mm.