Clustering climbing rattan palm, scandent stems to 20m+. Stem sheaths armed with spines to 50mm. Spiny leaf sheaths, spines to 60mm long, leaves 2.25m long with cirrus to 1.25m & spines, about 10 leaflets per side, leaflets to 650mm x 120mm with spiny margins. Female axillary inflorescence to 750mm long armed with bristles. Briefly beaked fruit to 21mm x 15mm.