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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 CONVEXUM
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PlaceOfPublication
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Fliigge, Monogr. Pasp. 175. 1810.
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Synonym
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Paspalum villifolium Steud. Syn. P1. Glum. 1:20. 1854. Paspalum ancylocarpum Nees ex Steud. Syn. P1. Glum. 1:27. 1854. Paspalum hemicryptum Wright, Anal. Acad. Cienc. Habana 8:204. 1871; Wright & Sauv.Fl. Cub. 196. 1873. Paspalum inops Vasey, Contr. U. S. Nat. Herb. 1:281. 1893. Paspalum inops var. major Vasey in Beal, Grasses N. Amer. 2:89. 1896
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Description
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Annual; culms 10-75 cm., usually 20-40 cm., high, erect or ascending, some- times widely spreading, branching from the lower and middle nodes; sheaths compressed, keeled, longer than the internodes in small plants, shorter than the internodes on taller plants, from glabrous to conspicuously papillose-pilose; ligule about 2 mm. long, brown, fragile; blades 5-23 cm. long, 3-11 mm. wide, the uppermost sometimes reduced, somewhat clasping at the base, conspicuously papillose-pilose throughout or only toward the base; racemes 1-4, erect to spread- ing at maturity, 1.5-7 cm. long, the rachis 1-2 mm. wide, long-pilose at the base; spikelets 2.2-3 mm. long, paired, broadly obovate, glabrous or appressed-pubescent; fruit dark brown, shining, minutely striate.
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Distribution
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Open ground, cultivated and waste places, northern Mexico to Brazil; Cuba and Trinidad, probably introduced.
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Specimen
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CHIRIQUI: Dolega, Hitchcock 8332; David, Hitchcock 8369. COCLE: Aguadulce, Pittier 4959; El Valle, Bartlett d Lasser 16652.
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