Scandent to 4m with striate puberulous stems. Foetid smelling.Mucronate serrulate glabrous leaves to 70mm x 25mm. Terminal panicles. White corolla. Female flowerheads to 6mm x 5mm with bracts to 2.5mm x 1mm, 30 flowers per head, white corolla tube to 2mm long. Male flowerheads to 6.5mm x 4mm with bracts to 3mm x 1mm & 12 flowers per head, white corolla to 4.5mm long, tube 2mm long & lobes 2mm x 0.4mm. Achenes to 4mm long.