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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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SPOROBOLUS POIRETII
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PlaceOfPublication
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Bartonia 14:32. 1932.
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Synonym
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Sporobolus elongatus Lam. Tabl. Encycl. 1:162. 1791. Not S. elongatus R. Br. 1810. Agrostis compressa Poir. in Lam. Encycl. Suppl. 1:258. 1810. Not A. compressa Willd., 1790, nor Poir (op. cit.) 1:259. 1810. Axonopus poiretii Roem. & Schult. Syst. Veg. 2:318. 1817. Agrostis tenuissima Spreng. Syst. Veg. 1:258. 1825. Sporobolus lamarckii Desv. ex Hamilt. Prodr. P1. Ind. Occ. 4. 1825. Vilfa exilis Trin. Mem. Acad. St. Petersb. VI. Sci. Nat. 41:89. 1840. Vilfa berteroana Trin. Mem. Acad. St. Petersb. VI. Sci. Nat. 41:100. 1840. Sporobolus angustus Buckl. Proc. Acad. Phila. 1862:88. 1862. Vilfa tenacissima var. exilis Fourn. Mex. P1. 2:99. 1886. Vilfa tenacissima var. intermedia Fourn. Mex. P1. 2:99. 1886. Vilfa tenacissima var. robusta Fourn. Mex. PI. 2:100. 1886. Sporobolus littoralis var. elougatus Dur. & Schinz, Consp. Fl. Afr. 5:821. 1894. Sporobolus berteroanus Hitchc. & Chase, Contr. U. S. Nat. Herb. 18:370. 1917.
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Description
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Erect, tufted, glabrous perennial; culms 1-1.5 m. high; leaves mostly crowded toward the base; blades flat, elongate, attenuate, often flexuous toward the ends, mostly 3-5 mm. wide; panicles 20-35 cm. long, plumbeous, dense, the branches appressed, floriferous to the base or nearly so; spikelets 2-2.4 mm. long; glumes obtuse, the first 0.5 mm. long, the second 0.7-1 mm. long.
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Distribution
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Open ground and waste places, tropical and subtropical America. Introduced from Asia
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Specimen
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CHIRIQUI: El Boquete, Hitchcock 8248, 8288; Finca Lerida to Boquete, Woodson, Allen & Seibert 1160. COLON: Colon, Hitchcock 8035.
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