Climber-creeper, twiner. Glabrous leaves 120mm x 50mm. Axillary many-flowered cymes with 2-3 bracts, flowers greenish to purple-black with bracts opposing flowers, villous flower with recurved tube, utricle to 30mm, tube 3.5mm long, lip to 12mm long. Capsule 40mm long with 6 ridges.