Climber to 15m. Leaf to 760mm long with flagellum to 2.2m armed with grapnel spines . 4-5 leaflets each side, longest to 370mm x 80mm. Staminate inflorescence to 870mm+ long, rachillae to 16mm x 1mm with bracts to 1.5mm x 1mm. Staminate flowers 2mm x 1.8mm.