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Neyraudia reynaudiana

Neyraudia reynaudiana (Kunth) Keng ex Hitchc.  
Family: Poaceae
Silk-Reed, more...Burma Reed, Silk Reed
[Arundo reynaudiana Kunth, moreArundo zollingeri Büse, Neyraudia arundinacea var. zollingeri (Büse) Henrard, Neyraudia madagascariensis var. zollingeri (Büse) Hook. f., Phragmites zollingeri Steud.]
Neyraudia reynaudiana image
University of Florida Herbarium
  • FNA
  • Resources
Gerald F. Guala. Flora of North America

Culms 0.8-3.8(5) m tall, 0.2-1.2 cm thick, often branching above the base. Sheaths glabrous, indurate at maturity; ligules both adaxial and abaxial; blades (7)25-89 cm long, 0.3-2.3 cm wide, auriculate, glabrous abaxially, sparsely hirsute adaxially, adaxial collar area lanate, hairs 2.2-7.2 mm, forming a conspicuous white tuft. Panicles 35-73 cm, longest branches 10-28 cm. Spikelets 4.3-9.5 mm; florets (3)5-10, basal floret in each spikelet reduced to an empty lemma. Glumes 0.5-0.8 mm wide; lower glumes (1.3)1.5-3.1 mm; upper glumes (1.6)2-3 mm; basal lemmas 2.5-4.2 mm; fertile lemmas 3-4.4 mm long, 0.9-1 mm wide, pilose on the lateral veins, otherwise glabrous or minutely papillate; awns about 3 mm, exceeding the bifid lemma apices by up to 1.5 mm; paleas 2.4-3 mm; anthers 3, 1.2-1.7 mm. Caryopses 1.5-3 mm, brown. 2n = 40.

Neyraudia reynaudia is an Asian species that was introduced at Chapman Field, U.S. Department of Agriculture, Coral Gables, Florida, probably from PI #39681, in 1915. It is now a troublesome weed in that state, growing in a variety of habitats from marshy areas to dry pinelands.

Neyraudia reynaudiana
Open Interactive Map
Neyraudia reynaudiana image
University of Florida Herbarium
Neyraudia reynaudiana image
University of Florida Herbarium
Neyraudia reynaudiana image
University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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