Slightly woody herbaceous twiner with glabrous striate 6-angular stems. Glabrous coriaceous dentate leaves to 60mm x 30mm. Terminal or axillary cymes or panicles to 50mm long with bracteoles, flowerheads of 3-9 flowers, white flowers to 3.2mm long, corolla to 3mm long. Pale brown glabrous achenes to 2.3mm long.