(Last Modified On 10/16/2012)
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(Last Modified On 10/16/2012)
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Genus
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LEPTOCHLOA
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PlaceOfPublication
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Ess. Agrost. 71, 166. pl. I5. f. I. 1812.
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Synonym
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Diplachne Beauv. Ess. Agrost. 80. pl. i6. f. 9. 1812. Rabdochloa Beauv. Ess. Agrost. 84. 1812. Leptostachys G. Meyer, Prim. Fl. Esseq. 73. 1818. Oxydenia Nutt. Gen. P1. 1:76. 1818. Diachroa Nutt. Trans. Amer. Phil. Soc. II. 5:147. 1837. Ipnum R. A. Phil. Anal. Univ. Chile 36:211. 1870.
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Description
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Spikelets few- to several-flowered, the upper floret reduced to a small awnless rudiment, sessile or short-pedicellate, crowded or somewhat distant on one side of the slender rachis; glumes 1-nerved, the second usually longer and broader than the first; lemmas 3-nerved, acute, minutely bifid, awnless or rarely short-awned, pubescent or pilose on the margins and sometimes on the internerves. Annual or perennial grasses with flat blades and numerous slender spikes scattered along the common axis.
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Key
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a. Plants annual; sheaths sparsely papillose-pilose; lemmas 1-1.5 mm. long. 1. L. FILIFORMIS aa. Plants perennial; sheaths glabrous or nearly so; lemmas 1.5-2 mm. long. 2. L. VIRGATA
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