Tussocks small. Leaves channelled to semiterete, 20-54 cm long, 0.5-1.2 mm wide, glabrous; apex rounded; sheath margins finely lacerated, white to pale grey. Male inflorescence usually unbranched, less than half the leaf length, clearly scapose; flowers in close whorled clusters, the whorls commonly less than 1 cm apart. Female inflorescence similar, sometimes with a very short rachis on a long scape. Bracts as in Lomandra nigricans . Flowers yellowish-green, sometimes purple-flushed, males pedicellate, females sessile, otherwise as in L. nigricans .
Grows in sandy soils of banksia and Tuart (Eucalyptus gomphocephala ) woodland, or marginal to swamps, on the coastal plain, and in Jarrah (Eucalyptus marginata ) forest on the Darling Range.