Climber to 8m. Leaf to 800mm long with spiny sheath, spines to 58mm x 0.9, flagellum to 1.5m. 9-12 leaflets per side, longest to 290mm x 25mm. Pistillate inflorescence to 2.2m long with 350mm long flagelliform tip with spines, rachillae to 70mm x 1.5mm with bracts 2mm x 1.5mm, flowers 3mm x 1.5mm. Fruit 13mm x 8mm including beak 1mm x 1mm.