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(Last Modified On 10/23/2012)
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(Last Modified On 10/23/2012)
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Species
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RYNCHOSPORA BARBATA (Vahl) Kunth
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PlaceOfPublication
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Enum. 2:290. 1837.
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Synonym
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Schoenus barbatus Vahl, Eclog. Amer. 2:4. 1798. Chaetospora pterocarpa HBK. Nov. Gen. & Sp. 1:230. 1816. Rynchospora Pterocarpa R. & S. Syst. 2:89. 1817; C. B. Clarke, Ill. Cyp. t. 5, f. 4-6. 1909
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Description
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Plants in small dense tufts, the culms slender, 1-5 dm. high; leaves basal, pilose, usually much shorter than the culms, 1-2 mm. wide; heads globose, about 1 cm. in diameter, brownish, subtended by about 4 short bracts; achene obovoid, black, 1-1.5 mm. long, with a broad membranous silvery wing 2 mm. broad with involute margins; bristles 4-5, equaling or exceeding the achene.
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Distribution
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Dry to wet grasslands; Honduras, Panama, and the West Indies to southern Brazil.
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Specimen
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COCLE: El Valle, 800-1000 m., Allen 768; Nata, alt. 50 m., Allen 849. PANAMA: between Panama and Chepo, Dodge, Hunter, Steyermark d Allen 16693; Pacora, alt. ca. 35 m., Allen 993; Chepo, 30 m., Hunter & Allen 39; between Pacora and Chepo, ca. 25 m., Woodson, Allen d Seibert 1639.
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