Glabrous climber twining to 5m. Glabrous leaves 110mm x 50mm, reddish-green beneath. Glabrous fragrant terminal 1-3 flowered cymes with minute bracts, glabrous calyx 1.5mm long, yellowish-white corolla red-streaked inside, corolla tube to 7mm long, glabrous outside, lobes to 12mm x 2mm.