Tuft dense. Leaves terete, 30-60 cm long, 1-2 mm diam., usually pilose at least near base or when young, occasionally glabrous; apex pointed, entire; basal sheath absent. Male inflorescence much shorter than leaves, branched or unbranched; branches whorled; scape shorter than rachis, sometimes almost concealed, terete; flower clusters whorled. Female inflorescence smaller, almost concealed, with a single terminal flower cluster. Cluster bracts inconspicuous, broad-based, acute, shorter than pedicel; bract and inner bract brown. Flowers campanulate, sessile or subsessile; male flowers 2-2.5 mm long, females 3-6 mm long. Sepals and petals nearly equal in length, similar except petals thicker, all purple.