Delicate annual; culms 10–60 cm. high, erect.. Leaf-blades 2–8 cm. long, 0.5–2 mm. wide, acute.. Racemes 1–3 cm. long; internodes and pedicels narrowly clavate to linear, glabrous or sparsely ciliate; spatheoles linear, the racemes exserted.. Sessile spikelet narrowly elliptic, 2.5–3(–5) mm. long, dorsally compressed; lower glume chartaceous, finely nerved, with or without narrow wings near the tip, glabrous; upper lemma bifid for 2/3 its length; awn 20–25 mm. long.. Pedicelled spikelet lanceolate, 3–4 mm. long, glabrous, with an awn 1–3 mm. long.
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