Rhizomatous perennials, ascending or mat-forming. Leaves mostly cauline, alternate, often distichous. Inflorescence a raceme, often spike-like, rarely a few-branched panicle. Spikelets with 1 bisexual flower subtended by 2 sterile ones; glumes paired, persistent, shorter than the firm, thickened lemmas; lemmas 3, falling united, the lower 2 sterile, the upper fertile; palea thinner and shorter than fertile lemma; stamens generally 4.
6 species, all endemic to Australia; 4 in Victoria.