Plants perennial; densely ces¬pitose, not rhizomatous. Culms 6-90 cm, erect or nearly so, lower internodes not enlarged or bulbous. Sheaths of the flag leaves inflated; auricles not developed; ligules 1-2 mm, truncate, rounded, or obtuse; blades to 12 (26) cm long, 1-6 mm wide, flat or convolute. Panicles 2-14 (17) cm long, 4-10 mm wide, narrowly cylindrical, tapering distally; branches not adnate to the rachises. Glumes 2-3.7 mm, oblong-lanceolate, keels usually scabrous or shortly ciliate, sometimes smooth, apices not abruptly narrowed, awned, awns 0.3-0.5 mm; lemmas 2/3 - 3/4 as long as the glumes, glabrous or puberulent, apices acute; anthers about 1.5 mm. 2n = 14, 28.
"decumbent" is not a number.