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Perennial, shortly rhizomatous. Culms loosely tufted, erect, 40–60 cm tall. Leaf sheaths smooth; leaf blades 4–15 cm × 4–5 mm, margins scabrid, otherwise smooth, apex subacute; ligule 0.5–1.5 mm, truncate. Panicle open, erect, ovate or pyramidal in outline, 4–18 cm, with many pendant spikelets; branches paired, obliquely ascending, sparingly branched; pedicels hairlike, longer than spikelets, flexuous. Spikelets broadly ovate, 4–6 × 5–7 mm, shining, purplish, florets 4–8; lower glume 2.5–3 mm, 1-veined, upper glume 3–3.5 mm, 3–5-veined; lemmas orbicular, lowest 3–4 mm, 7–9-veined; palea obovate, slightly shorter than lemma, keels glabrous. Anthers 1.5–2 mm. Fl. and fr. Jul–Sep. 2n = 14, 28.
Loosely tufted perennial 3–6 dm; lvs 2–4 mm wide, scabrous-margined; ligule truncate, ca 1 mm; infl 5–15 cm, lax, freely branched; spikelets numerous, round-ovate, 4–7 mm, 4–12-fld; glumes 2.5–3.5 mm, 3–5-veined; lemmas ca 4 mm; 2n=14, 28. Native of Europe, sparsely intr. in meadows and waste places in the n. part of our range.
A grass. It keeps growing from year to year. It has short rhizomes. The stalks are in loose tufts. It grows 40-60 cm tall. The leaf blades are 4-15 cm long by 4-5 mm wide.
