Small, tufted annual, up to 30(-90) mm tall. Leaf blades filiform. Stems filiform. Inflorescence terminal, a head of 1-few spikelets, basal bract inconspicuous, rarely well developed and filiform. Spikelets oblong(-ovoid), glumes straw-coloured. Nutlets faintly transversely rugose.
Small, tufted annual to 3 cm. Spikelets straw-coloured.