Climbing palm to 10m. Leaf sheaths with spines to 15mm long. leaf to 1m including cirrus to 500mm long, armed with spines to 25mm. 6-8 leaflets each side to 230mm x 60mm. Staminate inflorescence to 250mm x 1mm with prickles to 5mm long, flowers creamy yellow, calyx with lobes 1mm long, corolla 4mm long with 3 petals 2mm. Pistillate flowers with calyx with 3 lobes 5mm long, corolla 4mm long with 3 lobes. Mature fruit to 14mm x 7mm.