Tussock c. 10-20 cm diam. Leaves erect or flexuous, flat or channelled to semiterete, 30 cm long, 1-2 mm wide, green or glaucous; apex rounded; sheath margins long-decurrent and gradually narrowed upwards, lacerated, white to pale brown. Male inflorescence 2-8 cm long; scape obscure among leaf bases; rachis usually unbranched, occasionally with l or 2 short branches; flower clusters and branches alternate rather than whorled, crowded above; bracts white. Female inflorescence ovoid, of few clusters, 1-5 cm long; scape concealed or to 1.5 cm long. Male flowers 3.5-6 mm long, purple or yellow. Female flowers c. 10 mm long.