Spiny tendril climber with curved spines to 5mm long. Glabrous leaves to 90mm x 50mm. Terminal cymes to 50mm diameter with bracts to 12mm long, greenish flowers, calyx to 4.5mm long with tube to 0.8mm & lobes to 3.5mm x 1.6mm. Mucronate tuberculate thick-shelled fruit to 30mm diameter