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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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ARISTIDA TERNIPES
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PlaceOfPublication
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Icon. Pl. 5:46. 1799.
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Synonym
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Streptachne scabra H.B.K. Nov. Gen. & Sp. 1:124. pl. 40. 1815. Streptachne tenuis H.B.K. Nov. Gen. & Sp. 1:124. 1815. Aristida scabra Kunth, Rev. Gram. 1:62. 1829. Aristida tenuis Kunth, Rev. Gram. 1:62. 1829. Mublenbergia scabra Trin. & Rupr. Mem. Acad. St. Petersb. VI. Sci. Nat. 51:183. 1842. Streptachne cubensis A. Rich. in Sagra, Hist. Cuba 11:311. 1850. Ortachne scabra Fourn. Bull. Soc. Bot. France 27:295. 1880. Ortachne tenuis Fourn. Bull. Soc. Bot. France 27:295. 1880.
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Description
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Perennial; culms in small tufts, erect, 50-150 cm. high; blades flat, elongate, flexuous, involute toward the tip, tapering into a fine point; panicles large, diffuse, drooping, one-third to half the length of culm, the branches relatively stout, scabrous, naked below; spikelets appressed toward the ends of the branches; glumes 8-10 mhm. long; lemma 15-18 mm. long, including the flattened and tapering summit, scabrous on the keel, the central awn subterete, straight or arcuate, 10-15 mm. long, the lateral awns usually less than 1 mm. long.
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Distribution
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Rocky hills and open, usually dry places, Texas and Arizona to Colombia; Cuba, Bahamas.
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Specimen
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CANAL ZONE: Balboa, Standley 25269, 26406. PANAMA: Panama', Hitchcock 8402; D. H. Popenoe 6i. Without locality, Luis Nee (TYPE).
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