Loosely tufted annual.. Culms 20–90 cm. high, erect or geniculately ascending and rooting at the lower nodes.. Leaf-blades up to 30 cm. long and 4 mm. wide, glabrous or sparsely hairy on the upper surface.. Panicle oblong or ovate, 3–20 cm. long, loose; pedicels 1–2 mm. long.. Spikelets 3–5-flowered, oblong, 6–8 mm. long; glumes lanceolate, the lower 4.5–5.5 mm. long, the upper 5–6.5 mm. long; lemmas ovate, mostly 4–5.5 mm. long, appressedly silky pubescent below the middle, with an awn 2–3 mm. long; paleas 2.5–3 mm. long, the awns 2–3.5 mm. long.. Fig. 59, p. 187.
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