Pubescent or glabrous herbaceous bifid tendril vine with slender stems. Spinulose scabrous denticulate 2-5 lobed mucronulate leaves, tomentose beneath, glabrate above to 180mm x 170mm. 30-40 flowered staminate flowers in racemes to 150mm long, 1mm long greenish to yellow flowers, villous calyx tube to 2mm x 2.5mm, villous greenish or yellowish corolla with triangular lobes. Spiny puberulent green fruits 50mm x 20mm, mature fruits yellowish exploding at maturity