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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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HYPARRHENIA Anderss.
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PlaceOfPublication
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Prain, Fl. Trop. Afr. 9:291. 1919.
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Description
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Spikelets arranged in pairs at the nodes of short paired racemes, each pair sub- tended by a spathe, the lowest pairs alike, awnless, similar to the pedicellate spikelets above; first glume of sessile fertile spikelet flat or rounded, not keeled, or keeled only near the summit; lemma small and narrow, sometimes minutely lobed, with a relatively strong geniculate awn; pedicellate spikelets about as large as the sessile, awnless.
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Note
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Tall coarse perennials with long narrow blades and rather loose inflorescences, the pairs of racemes somewhat crowded on the branches.
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Key
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a. Racemes 1 cm. long, purple, with 1 fertile spikelet, the peduncle strongly curved or flexuous, densely papillose-hirsute -1. H. BRACTEATA aa. Racemes 2-3 cm. long, reddish-brown, with more than one fertile spikelet, usually several, the peduncles straight or only slightly curved, short-pilose - - ----2. H. RUFA
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