Tussocks sparse. Leaves flat, 15-45 cm long, 1-2 mm wide, glabrous, old leaves loosely coiled and purplish to reddish-brown; apex apiculate or truncate; sheath margins lacerated, white to straw-coloured. Male inflorescence c. 3-8 cm long, branched; branches usually whorled, sometimes opposite; scape equal to rachis or shorter, often largely hidden; flowers separate or 2 or 3 together. Female inflorescence similar but smaller. Bracts shorter to slightly longer than pedicels, acute to acuminate; inner bract present. Male flowers globular or ovoid, 2-4 mm long, pedicellate; sepals and petals incurved, tapering; sepals shorter, thinner, purple; petals fleshy, yellowish. Female flowers similar, ovoid, 4-6 mm long.