Climber to 1.2m with glabrescent slightly grooved stems. Leaves to 120mm x 80mm. 3-5 flowered axillary racemes or on leafless stems, to 45mm long, flower bracteoles to 5mm x 2mm, pale green puberulous flowers 20mm long, utricle 3mm x 3mm, tube 4mm x 1.5mm, purple throat with 4 longitudinal lines.