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(Last Modified On 10/16/2012)
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(Last Modified On 10/16/2012)
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Species
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PASPALUM CORYPHAEUM
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PlaceOfPublication
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Gram. Pan. 114. 1826.
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Synonym
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Paspalum pruinosum Trin. Gram. Icon. 3: pi. 272. 1836. Paspalum familiare Steud. Syn. P1. Glum 1:24. 1854. Paspalum violascens Mez, Repert. Sp. Nov. (Fedde) 15:73. 1917.
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Description
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Perennial; culms in tough clumps from short hard rhizomes, 1-4 m. high, slender or robust, glabrous to densely papillose-hispid at least below the glabrous to conspicuously bearded nodes, finally branching, the branches slender, leaning or drooping; sheaths mostly longer than the internodes, the lower ones usually papillose-hispid, the upper ones glabrous or only sparsely papillose-hispid, the mar- gins sometimes ciliate toward the summit; ligule firm, 1-3 mm. long; blades 12-32 cm. long, 8-23 mm. wide, rounded at the base, glabrous or scaberulous, sometimes sparsely pubescent or pilose with a dense line of long hairs just above the ligule, the margins scabrous; panicles nodding or drooping, composed of 10-45 racemes spreading or recurved at maturity, the lower 6-14 cm. long, the axis 10-25 cm. long, glabrous or sparsely pilose; rachis about 0.5 mm. wide, scabrous, densely hairy in the axils, sometimes naked at the base; spikelets 2-2.5 mm. long, elliptic, paired, usually loosely arranged toward the base of the racemes, denser above; glume and sterile lemma equal, scarcely covering the fruit, finely pubescent or especially the lemma nearly glabrous; fruit pale, shining, very minutely striate.
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Distribution
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Savannas, brushy slopes, river banks, and wood borders, Panama and Trinidad to Brazil.
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Specimen
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PANAMA: Chagres Valley, Pittier 3478.
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Project Name
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