Tussocks narrow. Leaves flat, with distinct marginal bands, 30-60 cm long, 2-5 mm wide, rarely 1 mm wide, glabrous or shortly hirsute along veins and margins; apex rounded-acute; sheath margins intact, whitish to almost black. Inflorescence unbranched (rarely branched in the male), half as long to longer than leaves; rachis much shorter than the conspicuous long scape; flower clusters whorled, the whorls crowded and ±continuous or up to 1 cm apart. Bracts broadly ovate, shortly pointed, slightly shorter to longer than pedicel; inner bract usually absent. Flowers with sepals and petals similar, spreading, greenish yellow to purple. Male flowers 2-3 mm long; pedicel 1-2 mm long. Female flowers 3 mm long, sessile.
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