(Last Modified On 10/22/2012)
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(Last Modified On 10/22/2012)
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Species
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CENCHRUS BROWNII Roem. & Schult.
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PlaceOfPublication
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Syst. Veg. 2:258. 1817.
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Synonym
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Cenchrus inflexus R. Br. Prodr. Fl. Nov. Holl. 1:195. 1810. Not C. inflexus Poir., 1804. Cenchrus viridis Spreng. Syst. Veg. 1:301. 1825. Cenchrus echinatus var. viridis Spreng. ex Griseb. Fl. Brit. W. Ind. 556. 1864.
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Description
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Annual; culms erect to decumbent-spreading and rooting at the lower nodes, simple to freely branching; sheaths mostly longer than the internodes, compressed, keeled, glabrous; ligule ciliate, less than 1 mm. long; blades 10-30 cm. long, mostly 6-8 mm., or sometimes as much as 12 mm. wide, scabrous to nearly glabrous; spikes 4-10 cm. long, dense, the axis minutely scabrous or pubescent; burs about 4 mm. wide, subtended by a ring of slender irreg- ular bristles, the lobes pubescent, interlock- ing; spikelets usually 3 in each bur, 4-4.5 mm. long; first glume obsolete; second glume two-thirds to three-fourths as long as the subequal sterile lemma and fruit; fruit acuminate, minutely roughened, the nerves evident near the tip.
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Distribution
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Common in open ground, often a weed in cultivated ground and waste places, Florida, Mexico, and the West Indies to Bolivia and Brazil; also in Australia and south Pacific islands
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Note
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Often called pega-pega and cadillo in Panama.
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Common
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pega-pega
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Specimen
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CHIRIQUI: Puerto Armuelles, Woodson d Schery 839. COLON: Colon, Rose 22082. CANAL ZONE: Toro Point, Hitchcock 8043; Monte Lirio, Maxon 6846; Barro Colorado Is- land, Standley 31244; Empire, Pittier 37i6; Culebra, Hitchcock 7914; Pittier 2080; Pedro Miguel, Allen 5; Corozal, Piper 5264; Ancon, Killip 4007; Standley 26323; Piper 5249; Balboa, Standley 27406. PANAMA: Matias Hernandez, Pittier 6790; Panama', Piper 5284; Taboga Island, Hitchcock 8064; Killip 4149; Standley 27873; Piper 5284.
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