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(Last Modified On 10/18/2012)
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(Last Modified On 10/18/2012)
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Species
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PANICUM TRICHOIDES
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PlaceOfPublication
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Prodr. Veg. Ind. Occ. 24. 1788.
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Synonym
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Panicum capillaceum Lam. Tabl. Encycl. 1:173. 1791. Panicum capillaceu-m var. IB. strictius Doell in Mart. Fl. Bras. 22.249. 1877.
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Description
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Annual; culms slender, freely branching, decumbent-spreading or creeping, 15-60 cm. long, the branches ascending; sheaths shorter than the internodes or the upper ones overlapping, papillose-hispid with spreading hairs; blades 4-7 cm. long, 8-15 mm. wide, ovate or ovate-lanceolate, thin, more or less pilose, the margins ciliate toward the base; panicles 5-20 cm. long, more or less included in the upper sheath, the slender branches ascending or spreading, the branchlets and pedicels of the spikelets capillary, divergent; spikelets 1.5 mm. long, sparsely pilose or nearly glabrous, the fruit exposed at the summit, the first glume about half as long as the spikelet.
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Distribution
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Woods, open ground and waste places, especially along trails, Mexico and the West Indies to Peru and Brazil.
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Specimen
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BOCAS DEL TORO: Lincoln Creek, Carleton I30, i9i; Water Valley, von Wedel 266I. CHIRIQUI: Puerto Armuelles, Woodson d Schery 865. SAN BLAS: Perme, G. Proctor Cooper III 269. COLON: Catival, Standley 30255. CANAL ZONE: Rio Pequeni, Woodson, Allen d Seibert I62I; Frijoles, Piper 5244; Killip I2I27; Culebra, Pittier 2083; Hitchcock 7933; Ancon Hill, Killip 4207; Las Cruces Trail, Hunter d Allen 727. PANAMA: Matias Hernaln- dez, Pittier 676I, 6854; Panama', Killip 4I90; Chepo, Pittier 4696; Taboga Island, Standley 27028; Killip 4I39. DARIEN: Boca de Cupe, Allen 878.
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