Annual. Culms erect or geniculately ascending, 5–20(–25) cm tall, pubescent below inflorescence. Leaf sheaths pubescent; leaf blades 2–10 cm × 1–2 mm, hairy. Panicle racemelike, stiffly erect, 2–5 × 0.7–2 cm; branches shorter than spikelets, rigid, each bearing 1 or 2 spikelets. Spikelets broadly wedge-shaped, 10–30 mm; glumes narrowly lanceolate, lower glume 7–8 mm, upper glume 12–14 mm; lemmas 13–15 × 1–1.5 mm in side view, glabrous or hairy, margins sometimes incurved, recurved outward when mature, apex 2-toothed, teeth ca. 3 mm; awn 13–18 mm, subequal to lemma body, stout, straight or slightly divaricate at maturity; palea shorter than lemma. Stamens 3, anthers ca. 1 mm. Fl. May–Jun. 2n = 14.
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