Difference between revisions of "Anthenantia"

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Treatment appears in FNA Volume 25. Treatment on page 384.
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|discussion=<p>Anthenantia is a genus of two species, both of which are endemic to the southeastern United States. It is very similar to Leptocoryphium Nees, a monotypic genus that extends from Mexico to Argentina, but differs in having laterally, rather than dorsally, compressed spikelets.</p>
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|discussion=<p><i>Anthenantia</i> is a genus of two species, both of which are endemic to the southeastern United States. It is very similar to Leptocoryphium Nees, a monotypic genus that extends from Mexico to Argentina, but differs in having laterally, rather than dorsally, compressed spikelets.</p>
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V25/V25_1090.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V25/V25_1090.xml
 
|subfamily=Poaceae subfam. Panicoideae
 
|subfamily=Poaceae subfam. Panicoideae
 
|tribe=Poaceae tribe Paniceae
 
|tribe=Poaceae tribe Paniceae

Revision as of 16:28, 18 September 2019

Plants perennial; rhizomatous. Culms 60-120 cm, stiffly erect, clustered. Sheaths open; ligules 0.1-0.3 mm, membranous, ciliate; blades flat, stiff, upper blades much reduced. Inflorescences terminal, simple panicles with elongate rachises; branches ascending to erect, not spikelike, lower branches usually with 8 or more spikelets; disarticulation beneath the glumes. Spikelets 3-4 mm, laterally compressed neither subtended by bristles nor sunken into the rachis, elliptic, obovoid, hirsute, unawned, with 2 florets. Lower glumes absent; upper glumes as long as the spikelets, obovate, densely hirsute, 5-veined; lower florets sterile or staminate; lower lemmas densely hirsute, similar to the upper glumes; lower paleas present or absent; upper lemmas and upper paleas cartilaginous, glabrous, dark brown, separating slightly at maturity, exposing the caryopses, lemmas 3-veined, margins flat, hyaline, 0.5-1 mm wide, paleas 2-veined. x = 10.

Discussion

Anthenantia is a genus of two species, both of which are endemic to the southeastern United States. It is very similar to Leptocoryphium Nees, a monotypic genus that extends from Mexico to Argentina, but differs in having laterally, rather than dorsally, compressed spikelets.

Key

1 Junction of the sheath and blade not evident abaxially, the sheath and blades in line with each other; blades 2-5 mm wide, the margins scabrous; leaves 30-60 cm long Anthenantia rufa
1 Junction of the sheath and blade evident, the blades not in line with the sheaths; blades 5-10 mm wide, the margins papillose-hispid; leaves mostly less than 30 mm long Anthenantia villosa