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(Last Modified On 10/23/2012)
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(Last Modified On 10/23/2012)
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Genus
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FUIRENA Rottb.
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PlaceOfPublication
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Descr. & Icon. 70. 1773.
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Description
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Plants perennial, with leafy triangular culms; spikelets many-flowered, terete, in terminal and axillary clusters, or solitary; scales spirally imbricate, awned, the lowest 1 or 2 usually empty; flowers perfect; perianth of 6 bristles (scales), frequently thickened and sometimes becoming ovate; stamens 3; style 3-cleft, deciduous; achenes 3-angulate, smooth, stipitate or sessile.
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Distribution
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About 30 species, in the warmer regions of both hemispheres.
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Key
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a. Clusters of spikelets few, usually 4-5; leaves short, the blades less than 7 mm. wide, sparsely or densely pilose - -- 1. F. INCOMPLETA aa. Clusters of spikelets numerous; leaves elongate, 8 mm. wide or more, glabrous or scabrous. b. Inner bristles obovate, scarcely stipitate, scarcely thickened at the apex ---_-- -_ -------------_-_2. F. UMBELLATA bb. Inner bristles ovate-lanceolate, conspicuously stipitate, much thick- ened at the apex _ - _ - _ - --- 3. F. ROBUSTA
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