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(Last Modified On 10/22/2012)
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(Last Modified On 10/22/2012)
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Description
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Strongly rhizomatous perennial; culms erect, solitary or few together, 1-1.5 m. high; sheaths much longer than the internodes, rounded or keeled toward the summit, glabrous, the lower ones bladeless; ligule brown, not more than 0.5 mm. long; blades elongate, attenuate, usually some of them narrowed to a long petiole- like base, narrower than the mouth of the sheath, 5-10 mm. wide, the margins very scabrous; panicles mostly 30-40 cm. long, narrowed-attenuate toward the summit, the upper branches short and appressed, the lower ones slender, ascending to spreading, somewhat curved or flexuous, commonly 5-10 cm. long; spikelets 3 mm. long, obscured by the long silky hairs on the glumes and callus.
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Common
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Hierba guayacan.
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Distribution
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Grassy hills, banks, and fields, Mexico and the West Indies to Brazil and Peru.
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Specimen
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BOCAS DEL TORO: Shepherd Island, von Wedel 27I5. CHIRIQUI: David, Hitchcock 8357. CANAL ZONE: Toro Point, Hitchcock 8049; Fort Sherman, Standley 31229; Frijoles, Killip 4293; Standley 27644; Tabernilla, Hitchcock 8386; Culebra, Hitcbcock 7934; Summit, D. H. Popenoe 20; between Miraflores and Pedro Miguel, Pittier 3966; Balboa, Standley 25633.
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Species
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IMPERATA CONTRACTA (H.B.K.) Hitchc.
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PlaceOfPublication
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Rep. Mo. Bot. Gard. 4:146. 1893.
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Synonym
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Saccharum contractum H.B.K. Nov. Gen. & Sp. 1:182. 1816. Saccharum caudatum G. Meyer, Prim. Fl. Esseq. 68. 1818. Anatherum caudatum Schult. Mant. 2:445. 1824. Anatherum portoricense Spreng. Syst. Veg. 1:290. 1825. Imperata caudata Trin. Mem. Acad. St. Petersb. VI. Math. Phys. Nat. 2:331. 1832.
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Tag
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Project Name
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Tag
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