Scandent herb or toxic liana with striate villous stems. Trifoliate leaves, pubescent denticulate leaflets to 50mm x 13mm. Axillary or terminal inflorescence with green 3-lobed denticulate bracts to 14mm long, female bracts to 1mm long, pubescent male calyx, 12 pilose female sepals to 6mm long. Capsule to 6mm wide.