Rhizomatous tuberous twining or prostrate vine to 600mm. Leaves to 30mm x 40mm with dentate serrulate margins. Axillary inflorescence to 100mm long with bracts 0.2mm long. Green flowers, staminate inflorescence with tepals to 1.5mm x 0.5mm, pistillate inflorescence 15mm long with bracts 2mm long, green flowers with tepals 1.5mm x 0.5mm. Squarish capsule to 12mm x 6mm