Deschampsia flexuosa

Eğri çayırsaçı

Syn: Avenella flexuosa

Laxly or densely caespitose perennial, with short creeping rhizomes. Stems 40-60 cm, erect or bent at base, slender, smooth. Ligule 1-3 mm, obtuse. Leaf blades to 15 cm x 0.7-0.8 mm, setaceous, green, glabrous. Panicle 6-15 x 3-5 cm, open, lax; branches 3-9 cm, usually patent; pedicels 3.5-8 mm, smooth or sparsely aculeolate. Spikelets 4.5-6.5 mm, usually oblong, slightly wedge-shaped, purplish or silvery, with 2 florets. Rachilla prolonged by less than 1/4 length of upper floret. Glumes smooth, keeled; lower 4.1-6 mm, ovate; upper 4.5-7 mm, elliptic-ovate. Lemma 4.5-6 mm, ovate-oblong, rounded on back, awned above base; callus hairs c. 1.3-1.5 mm; awn 5.5-8 mm, geniculate and twisted in lower half. Palea ± equalling lemma. Anthers 2.2-3.4 mm. Caryopsis enclosed by slightly hardened lemma and palea. Fl. 6-8. Dry margins ofPinus sylvestris forests, rocky igneous slopes, 1100-2150 m.

N.W. Africa, W. & N. Europe, Aegean, Caucasia, Siberia. Euro-Sib. element.