Difference between revisions of "Neyraudia reynaudiana"
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| − | |discussion=<p>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.</p> | + | |discussion=<p><i>Neyraudia</i> 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.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V25/V25_44.xml |
|subfamily=Poaceae subfam. Chloridoideae | |subfamily=Poaceae subfam. Chloridoideae | ||
|tribe=Poaceae tribe Cynodonteae | |tribe=Poaceae tribe Cynodonteae | ||
Revision as of 16:33, 18 September 2019
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.
Discussion
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.
Selected References
None.