Culmis caespitosis erectis ad 48 cm crassitie pennae corvinae simplicibus subcomplanatis obsolete puncticulatis; vaginis basalibus coriaceis ferrugineis arcte oonvolutis sursum increscentibus summis oblongis sub apice rotundato-mucronulatis; vaginis culmeis deciduis; inflorescentia mascula 6 cm long, dense paniculatim cymosa spathis magnis apertis lanceolatis fastigatis pallidis onusta; bracteis acuminatis; floribus stipitulatis vix 2 mm long; perianthii segmentis externis oblongis acutis, lateralibus conduplicatis; segmentis internis oblongis apiculatis externa superantibus; inflorescentia feminea circa 5 cm long obIonga spiciformi spathis oblongo-Ianceolatis, imbricatis onusta; perianthii feminei segmentis subaequalibus; ovario ovoideo trigono triloculari 1-sperm, stylis duobus superato.