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Tufted annual 250-800 mm high; hygrophyte; stoloniferous. Leaf blade 70-200 x 3-6 mm; ligule a fringe of hairs. Inflorescence erect, 50-200 mm long, lax, linear, raceme up to 30 mm long, neatly 4-rowed, simple. Spikelet 2.3-3.0 x 1.5 mm, elliptic; glumes and lower lemma minutely hairy, nerves with long, rigid hairs; lower floret sterile; lower lemma acute or with awn up to 6 mm long; upper lemma 2.0-2.5 mm long; anther 0.6-1.0 mm long.
Annual, hydrophyte, stoloniferous and tufted, up to 0.8 m high. Leaf blades 70-200 mm long, 3-6 mm wide; ligule a fringe of hairs. Spikelets 2.3-3.0 mm long, 1.5 mm wide. Inflorescence 50-200 mm long, linear with racemes neatly 4-rowed and up to 30 mm long; spikelets pubescent; lower floret sterile; lower lemma acute or with awn up to 6 mm long.
Inferior floret ? or barren, its lemma acute or with an awn point up to 3 mm. long.
Inflorescence 5–20 cm. long, linear; racemes up to 4 cm. long, like E. colona.
Spikelets 2.5–3.5 mm. long, elliptic, pubescent.
Culms 25–100 cm. high; ligule a line of hairs.
Superior lemma 2–2.5 mm. long.
Annual.
