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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 ORIZABENSIS
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PlaceOfPublication
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Mex. P1. 2:78. 1886.
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Synonym
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Aristida pseudospadicea F. T. Hubb. Proc. Amer. Acad. 49:500. 1913.
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Description
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Perennial; culms slender, 50 cm. to more than 1 m. high, smaller in depauperate plants, glabrous; blades 10-30 cm. long, 1-3 mm. wide, scabrous on the upper surface, flat at the base, becoming involute-pointed, the older ones at the base of the plant finally flattened and coiled; panicles 15-30 cm. long, the branches distant, the upper ones appressed, the lower ones often spreading, somewhat flexuous, usually less than 8 cm. long; spikelets appressed; glumes 8-10 mm. long, narrow, acuminate, awn-pointed, the second a little longer than the first; lemma 8-12 mm. long with a slender twisted beak about 3 mm. long; awns 1-2.5 cm. long, about equally divergent, the central a little longer than the lateral ones.
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Distribution
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Savannas, thickets, and rocky hills, Mexico to Panama.
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Specimen
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COCLE: Ola, Pittier 5047, 5o66; between Paso del Arado and Ola, Pittier 50I9.
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