(Last Modified On 10/16/2012)
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(Last Modified On 10/16/2012)
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Genus
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FESTUCA
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PlaceOfPublication
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Sp. Pl. 73. 1753
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Description
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Densely tufted perennials with flat or loosely involute blades and narrow or open panicles. Spikelets few- to several-flowered, the rachilla disarticulating above the glumes and between the florets; glumes narrow, unequal, the first 1-nerved, the second 3-nerved; lemmas rounded on the back, awnless or awned from the tip; palea not adhering to the caryopsis.
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Key
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a. Blades flat, 4-10 mm. wide. b. Lemmas awnless, 6-7 mm. long; blades relatively firm, 5-10 mm. wide ---. F. AMPLISSIMA bb. Lemmas awn-pointed or awned, 12-15 mm. long; blades relatively soft, 4-6 mm. wide-------- -- 2. F. CHIRIQUENSIS aa. Blades involute - -- - - _ - - - 3. F. DOLICHOPHYLLA
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