Loosely tufted annual; culms 10–25 cm. high, wiry, erect.. Leaf-blades 1–6 cm. long, 1–3 mm. wide.. Inflorescence 2–5 cm. long, exserted from the sheath, the clusters contiguous to approximate; clusters 5–9 mm. long, comprising (1–)2 fertile spikelets and a reduced terminal spikelet of 2 gaping sterile glumes.. Spikelets suborbicular with rostrate tip, 5–7 mm. long; glumes appressed pubescent, ciliate on the margins; lower glume crescent-shaped, shorter than the spikelet; upper glume with gibbous body 1.5–2 mm. long, drawn out into a stiff pointed beak above.
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