Difference between revisions of "Steinchisma"

Raf.
Treatment appears in FNA Volume 25. Treatment on page 563.
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|distribution=Va.;Miss.;Tex.;La.;Mo.;N.Mex.;Okla.;Ala.;Tenn.;N.C.;S.C.;Ark.;Ill.;Ga.;Fla.
 
|distribution=Va.;Miss.;Tex.;La.;Mo.;N.Mex.;Okla.;Ala.;Tenn.;N.C.;S.C.;Ark.;Ill.;Ga.;Fla.
|discussion=<p>Steinchisma is a genus of 5-6 species that grow in moist or wet, usually open, sandy areas in warm-temperate and tropical regions of the Western Hemisphere. A single species is native the Flora region. It is sometimes included in Panicum, but recent studies support its recognition as a separate genus. Photosynthesis in Steinchisma is intermediate between C3 and C4 plants.</p>
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|discussion=<p><i>Steinchisma</i> is a genus of 5-6 species that grow in moist or wet, usually open, sandy areas in warm-temperate and tropical regions of the Western Hemisphere. A single species is native the Flora region. It is sometimes included in <i>Panicum</i>, but recent studies support its recognition as a separate genus. Photosynthesis in <i>Steinchisma</i> is intermediate between C3 and C4 plants.</p>
 
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Steinchisma
 
name=Steinchisma
|author=Robert W. Freckmann; Michel G. Lelong;
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|author=Robert W. Freckmann;Michel G. Lelong;
 
|authority=Raf.
 
|authority=Raf.
 
|rank=genus
 
|rank=genus
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|publication year=
 
|publication year=
 
|special status=
 
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/314eb390f968962f596ae85f506b4b3db8683b1b/coarse_grained_fna_xml/V25/V25_1434.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V25/V25_1434.xml
 
|subfamily=Poaceae subfam. Panicoideae
 
|subfamily=Poaceae subfam. Panicoideae
 
|tribe=Poaceae tribe Paniceae
 
|tribe=Poaceae tribe Paniceae

Revision as of 20:33, 16 December 2019

Plants perennial; cespitose, rhizomatous, rhizomes short, slender. Culms slender, often compressed. Sheaths usually keeled; ligules minute, membranous, often erose or ciliate; blades exhibiting Kranz anatomy, with few organelles in the external sheath and 5-7 isodiametric mesophyll cells between the vascular bundles. Inflorescences terminal, open to contracted panicles; primary branches few, slender; pedicels short, to 1 mm. Spikelets ellipsoid or lanceolate, initially somewhat compressed, ultimately expanding greatly. Glumes glabrous; lower glumes 1/3 – 1/2 as long as the spikelets, usually 3(5)-veined, acute; upper glumes and lower lemmas subequal, 3-5(7)-veined; lower florets sterile or staminate, often standing apart from the upper florets at maturity; lower paleas longer than the lower lemmas, greatly inflated at maturity, indurate; upper florets ovoid or ellipsoid; upper lemmas usually dull-colored, minutely papillose, papillae in longitudinal rows, apices acute, x = 9 or 10.

Distribution

Va., Miss., Tex., La., Mo., N.Mex., Okla., Ala., Tenn., N.C., S.C., Ark., Ill., Ga., Fla.

Discussion

Steinchisma is a genus of 5-6 species that grow in moist or wet, usually open, sandy areas in warm-temperate and tropical regions of the Western Hemisphere. A single species is native the Flora region. It is sometimes included in Panicum, but recent studies support its recognition as a separate genus. Photosynthesis in Steinchisma is intermediate between C3 and C4 plants.

Lower Taxa

... more about "Steinchisma"
Robert W. Freckmann +  and Michel G. Lelong +
Va. +, Miss. +, Tex. +, La. +, Mo. +, N.Mex. +, Okla. +, Ala. +, Tenn. +, N.C. +, S.C. +, Ark. +, Ill. +, Ga. +  and Fla. +
clifford1996a +  and zuloaga1998a +
Gramineae +
Steinchisma +
Poaceae tribe Paniceae +