Koeleria macrantha

Tufted or shortly rhizomatous perennial, culms erect, to 60 cm high. Leaves softly hairy or rarely, glabrous; blade flat, to 20 cm long and 3 mm wide; ligule 1–2 mm long, toothed and ciliate at apex. Inflorescence a spike-like panicle, sometimes lobed or interrupted near base. Spikelets mostly 3-flowered, 5–7 mm long; glumes 3-nerved, subequal, oblong, 4.5–6.5 mm long, smooth and shining, with pale membranous margins, usually somewhat purplish; lemma 3–5-nerved, the lower one equal to or slightly exceeding glumes, firm and scabrous except for the membranous margins, unawned or with a fine subapical to apical awn to 1.5 mm long; palea c. equal to lemma. Flowers Nov.–Jan.