Very slender clustering climbing bristly rattan palm, scandent stem to 40m. Striate leaf sheaths armed with spines to 2mm long, flagellum to 300mm long, leaves to 400mm long armed with claws, leaflets to 150mm x 30mm, 3-4 leaflets per side. Female spadix to 650mm long, male spadix similar, rachillae to 40mm long.