Herbaceous twiner to 5mwith lax tetragonous branchlets with rusty tomentum. Leaves with rusty tomentum above to 250mm x 100mm, becoming glabrescent. Terminal panicles to 400mm x 400mm clothed with rusty tomentum, with bracts, flowerheads to 20 flowers to 10mm diameter, 4-parted tomentose calyx, tomentose corolla to 3mm long. Fruit a capsule.