Culms tufted, erect or geniculate at base, glaucous, to 100 cm tall, glabrous, or pilose below spike. Leaf blade flat or involute, 10–40 × 0.3–0.8 cm, scabrous or adaxial surface pubescent. Spike 4–13 × ca. 1 cm excluding awns; rachis fragile, or sometimes tough proximally, margin ciliate. Spikelets lanceolate, 12–15(–17) mm, with 2(or 3) florets. Glumes 9–12 mm, glabrous or sparsely puberulent, shortly scabrous-ciliate along keels, apex acuminate or with awn to 5 mm. Lemma long lanceolate, 8–12 mm, glabrous, smooth, rarely scabrous; awn 20–70 mm. Palea equaling lemma. Fl. and fr. (May–)Jul–Aug. 2n = 14*.
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