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Descriptions
W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson
© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
Leymus salinus
HABIT Perennial; caespitose; clumped densely. Rhizomes absent. Culms erect; 30–80 cm long. Culm-internodes smooth, or scaberulous. Leaves mostly basal. Ligule an eciliate membrane. Leaf-blades involute; 1–4 mm wide; coriaceous; stiff. Leaf-blade surface ribbed; scabrous; glabrous, or pubescent.
INFLORESCENCE Inflorescence composed of racemes. Peduncle smooth, or scaberulous above.
Racemes 1; single; erect; bilateral; 5–12 cm long. Spikelet packing broadside to rhachis. Rhachis internodes linear.
Spikelets solitary. Fertile spikelets sessile.
FERTILE SPIKELETS Spikelets comprising 2–3 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 10–16 mm long; breaking up at maturity; disarticulating below each fertile floret.
GLUMES Glumes collateral; persistent; similar. Lower glume subulate; 4–8 mm long; coriaceous; 1 -veined. Lower glume lateral veins absent. Lower glume surface smooth, or scabrous. Upper glume subulate; 4–8 mm long; coriaceous; 1 -veined. Upper glume lateral veins absent. Upper glume surface smooth, or scabrous.
FLORETS Fertile lemma lanceolate; 10–16 mm long; coriaceous; without keel; 5 -veined. Lemma lateral veins obscure. Lemma surface smooth, or scaberulous; glabrous, or puberulous. Lemma apex acute; muticous. Palea 2 -veined. Apical sterile florets resembling fertile though underdeveloped.
DISTRIBUTION North America: northwest USA and southwest USA.
NOTES Triticeae. Man US Grasses 2000.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.