Climbing rattan palm to 6m. Leaf sheath with black spines to 40mm long, cirrate leaf to 2.5m, cirrus to 1m, spines on upper surface of leaves, 25-30 leaflets per side, longest to 420mm x 20mm. Inflorescence to 700mm long with bracts, male rachillae to 20mm long, female rachillae to 70mm long. Beaked fruit 20mm diameter.