Large herbaceous annual glabrous simple-tendril climbing or creeping vine, glabrous stems, denticulate glabrous mucronate leaves 130mm x 70mm, simple, trilobed or trifoliolate, dioecious, Lateral leaflets to 90mm x 27mm. Axillary male racemes or corymbs 50mm long, male flowers with pubescent calyx to 4mm x 5mm & lobes to 5mm long, sepals 7mm x 1.5mm, petals 13mm x 6mm, corolla with lobes 15mm x 7mm villous outside, yellow flowers, female flowers solitary to 12mm, 60mm long x 30mm finrly villous smooth fruit