Herb, liana, shrub tree or vine with unisexual inflorescences to 125mm long, whole vine urticant, male flowers in dense fascicles, female in panicles, male flowers 1.5mm wide, female flowers 1.2mm long, achenes to 1.2mm x 1.2mm. Tree or shrub, occasionally scandent, urticant, male flowers in dense panicles to 1.5mm wide, female flowers to 1.2mm long, achenes to 1.2mm x 1.2mm, orange fruit, pale pink flowers