Festuca arundinacea
Festuca arundinacea
Kamış yumağı
subsp. arundinacea
Laxly caespitose perennial, with few leaves. Stems 30-150 cm, stout, smooth, terete. Leaf sheaths open to base, pale, not decaying into fibres; ligule a low rim with ciliate clasping auricles. Leaf blades flat, sub convolute when dry, rather rigid, 5-10 mm broad; ribs subequal, rounded, prominent for 1/2 their length, with bulliform cells between them; sclerenchyma strands on both sides of all or most veins, reaching them from beneath but not from above. Panicle 10-20 cm, lax, ovate-oblong, nodding at apex, with scabrid branches; lowest node with 2 branches, shorter one bearing usually 3 or more spikelets. Spikelets 10-12 mm, with 4-6 florets. Upper glume acute, 4.3 x 1.8 mm. Lemma ovate-lanceolate, 6.3-8 x 2.2 mm, 2-dentate, awnless or with a short awn not more than 1/4 x lemma. Ovary glabrous. 2n = 42. Fl. 6-7. Damp gullies, riversides, water meadows, 300-2100 m.
Temperate Eurasia.
