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(Last Modified On 10/22/2012)
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(Last Modified On 10/22/2012)
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Genus
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PENNISETUM L. Rich.
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PlaceOfPublication
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Syn. Pl. 1:72. 1805.
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Synonym
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Gymnothrix Beauv. Ess. Agrost. 59. p1. I3. f. 6. 1812.
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Description
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Spikelets solitary or in groups of 2 or 3, the groups enclosed in a fascicle of bristles, these united only at the base, often plumose, falling attached to the spike- lets; first glume much shorter than the spikelet, sometimes minute or wanting, thin, 1-nerved; second glume and sterile lemma subequal, or the glume a little shorter, 5-nerved; fruit subindurate, smooth and shining, the margins of the lemma thin and flat.
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Note
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Annuals or perennials, sometimes rather woody, with flat blades and dense spike-like panicles.
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Key
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a. Bristles plumose; spikelets 3.2-4 mm. long --1. P. SETOSUM aa. Bristles not plumose; spikelets 6-7 mm. long -2. P. COMPLANATUM
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