Scandent herbaceous plant to 3m. Striate pubescent stems & branches. Pubescent leaves to 80mm x 30mm. Terminal panicles with bracts in 5-6 series, outermost to 1.5mm long, innermost to 5mm x 1.3mm. Purple flowers, corolla 9mm long with 5 lobes 3mm long. Pubescent achenes to 1mm long with white pappus to6mm long