Tall spiny climbing palm, fronds to 3m long. Leaf sheaths with brown spines to 50mm+ long. Leaves to 1.5m long armed eith spines to 10mm long, cirrus to 1m long armed with claws, intermediate leaflets to 350mm x 22mm, leaflets towards apex ashy grey or glaucescent beneath. Female inflorescence to 600mm long, armed with spines, female flowers to 3.5mm long with toothed calyx. Axillary infrutescence 600mm long, light green fruit to 8mm x 5mm with red line.