Tufted, perennial herb, up to 450 mm high. Leaves ± flat; ligule < 5 mm long. Flowers: spikelets many per head, blackish; glume apex rounded, midvein terminating in a blunt point; anther crest long triangular, 0.2 mm long, smooth or scabrid; Oct.-Mar. Fruit an obovate nutlet, irregularly ridged.
Perennial herb, up to 400 mm tall. Plants tufted. Leaves inrolled. Spikelets many per head, blackish. Gynophore minute. Nutlet in transverse section lineolate.
Perennial herb, up to 500 mm tall. Plants tufted. Leaves more or less flat. Spikelets many per head, blackish. Gynophore small, truncate. Nutlet smooth.