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Annual; culms up to 1 m. high, erect or geniculately ascending, often rooting at the lower nodes.. Leaf-blades flat or folded, up to 35 cm. long, 3–5 mm. wide.. Inflorescence of 3–12 loosely digitate spikes 2–10 cm. long.. Spikelets 3-flowered, (0–)1–2-awned; lower glume 1.5–2 mm. long; upper glume 2–3 mm. long, including the awn-point; lowest lemma ovate-elliptic in side view, 2.5–3 mm. long, pallid, occasionally black, sparsely to densely ciliate on the margins and keel, the awn 2.5–5 mm. long, rarely absent; callus rounded, ciliate; 2nd lemma a glabrous clavate scale 1.5–2 mm. long, projecting from and different in shape to the lowest lemma, awnless or with an awn 2–3 mm. long; 3rd lemma a glabrous clavate awnless scale 1–1.25 mm. long.
Spikelets 3-flowered, (0)1–2-awned; inferior glume 1.2–2 mm long; superior glume 2.2–3.2 mm long; floret callus rounded; fertile lemma 2.5–3 mm long, ovate-elliptic in profile, pallid or occasionally black, sparsely to densely ciliate on the margins and keel, the awn 2.5–3.6 mm long, rarely absent; 2nd lemma a glabrous clavate scale 1.6–2.2 mm long, awnless or with an awn 2–3 mm long; 3rd lemma a glabrous clavate awnless scale 1–1.25 mm long.
Robust annual up to 100 cm tall, erect or geniculately ascending and rooting from the nodes; leaf laminas up to 19 cm × 2–4 mm, flat or folded, tapering to a fine point.
Inflorescence of 6–13 loosely digitate racemes 2.5–8.5 cm long.
