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Project Name Data (Last Modified On 10/16/2012)
 

Flora Data (Last Modified On 10/16/2012)
Species LEPTOCHLOA FILIFORMIS
PlaceOfPublication Ess. Agrost. 71, 161, 166. 1812.
Synonym Festuca filiformis Lam. Tabl. Encycl. 1:191. 1791. Eleusine mucronata Michx. Fl. Bor. Amer. 1:65. 1803. Eleusine filiformis Pers. Syn. P1. 1:87. 1805. Oxydenia attenuata Nutt. Gen. P1. 1:76. 1818. Leptostachys filiformis G. Meyer, Prim. Fl. Esseq. 74. 1818. Leptochloa mucronata Kunth, Rev. Gram. 1:91. 1829. Leptochloa brachiata Steud. Syn. P1. Glum. 1:209. 1854. Leptochloa attenuata Steud. Syn. P1. Glum. 1:209. 1854. Leptochloa pellucidula Steud. Syn. P1. Glum. 1:209. 1854. Leptochloa paniculata Fourn. Bull. Soc. Bot. France II. 27:296. 1880. Leptochloa mucronata pulchella Scribn. Bull. Torrey Club 9:147. 1882. Leptochloa pilosa Scribn. U. S. Dept. Agr. Div. Agrost. Circ. 32:9. 1901.
Description Annual; culms slender to rather coarse, branching, erect or sometimies geniculate at the lower nodes, 10 cm. to more than 1 m. high; sheaths sparsely papillose-pilose with long hairs, rarely glabrous; ligule membranaceous, 1-2 mm. long; blades 5-30 cm. long, 3-10 mm. wide, flat, lax, glabrous or sparsely papillose- pilose; inflorescence nearly half the length of the culm; spikes several to numerous, racemose on an elongated axis, spreading or reflexed, 2-15 cm. long (usually less than 10 cm.); spikelets 2- to 3-flowered, 1.5-2 mm. long, the upper floret scarcely exceeding the glumes; glumes acuminate, subequal; lemmas 1-1.5 mm. long, obtuse, minutely bilobed, awnless, pubescent on the nerves and sometimes on the internerves.
Distribution A weed in cultivated fields and waste ground, southeastern United States to Argentina.
Specimen CANAL ZONE: Ancon, KilliP 4182; Balboa, Standley 264I6. PANAMA: Matias Her- nandez, Pittier 6855, 6903; Panama', Hitchcock 8406; Taboga Island, Standley 27958; Hitchcock 8o8i; Pittier 3564.
 
 
 
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