Annual herb, up to 150 mm tall. Stems thick, flaccid. Spikelets ovate, up to 3 mm long. Bract long, overtopping inflorescence. Inflorescence often proliferous. Nut ellipsoid, beaked. Glumes straw-coloured.
Tufted annual with flattened stems, 5-25 cm. Spikelets dark brown.