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Leymus Hochst.


Description from Flora of China

Aneurolepidium Nevski.

Herbs perennial. Plants usually with rhizomes, rarely without. Culms usually erect. Leaf sheath split almost to base; ligule leathery-membranous; auricles lanceolate or crescent-shaped; leaf blade usually glaucous, usually rolled, rarely flat, stiff, harsh. Inflorescence spikelike, linear, rarely oblong-ovate; rachis tough. Spikelets in regular rows of (1 or)2 or 3(–6) per node, sessile, all similar, with (1–)3–7 florets; rachilla disarticulating above glumes and between florets. Glumes opposite or side-by-side, linear to lanceolate, 1–3(–5)-veined, veins not raised (except in L. mollis), not keeled or keeled almost to base, apex acute to shortly awned. Lemma 3–7-veined, abaxially not keeled or keeled only at apex, apex acute to shortly awned; callus obtuse, triangular or rounded. Lodicules lanceolate to ovate, usually entire. Caryopsis adherent to lemma.

The authors have seen no specimens of Leymus pubinodis (Keng) A. Löve (Repert. Spec. Nov. Regni Veg. 95: 481. 1984, "pubinodes"; Elymus pubinodis Keng, Sunyatsenia 6: 85. 1941), described from Xizang.

About 50 species:temperate regions of the N hemisphere; 24 species (11 endemic) in China.


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Flora of China  
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