Difference between revisions of "Muhlenbergia expansa"

(Poir.) Trin.
Common names: Savannah hairgrass
Synonyms: Muhlenbergia capillaris var. trichopodes
Treatment appears in FNA Volume 25. Treatment on page 188.
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|synonyms={{Treatment/ID/Synonym
 
|synonyms={{Treatment/ID/Synonym
 
|name=Muhlenbergia capillaris var. trichopodes
 
|name=Muhlenbergia capillaris var. trichopodes
|authority=unknown
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|authority=
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|rank=variety
 
}}
 
}}
 
|hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Muhlenbergia;Muhlenbergia expansa
 
|hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Muhlenbergia;Muhlenbergia expansa
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-->{{Treatment/Body
 
-->{{Treatment/Body
 
|distribution=Va.;Ga.;Tex.;La.;Ala.;N.C.;S.C.;Miss.;Ky.;Fla.
 
|distribution=Va.;Ga.;Tex.;La.;Ala.;N.C.;S.C.;Miss.;Ky.;Fla.
|discussion=<p>Muhlenbergia expansa grows in perennially moist to wet soils in pitcher plant bogs, pine savannahs, and flat-woods, usually in sandy soils and at elevations of 0-300 m. Its primary range is the coastal plain of the south-eastern United States.</p>
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|discussion=<p><i>Muhlenbergia expansa</i> grows in perennially moist to wet soils in pitcher plant bogs, pine savannahs, and flat-woods, usually in sandy soils and at elevations of 0-300 m. Its primary range is the coastal plain of the south-eastern United States.</p>
 
|tables=
 
|tables=
 
|references=
 
|references=
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Muhlenbergia expansa
 
name=Muhlenbergia expansa
|author=
 
 
|authority=(Poir.) Trin.
 
|authority=(Poir.) Trin.
 
|rank=species
 
|rank=species
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|basionyms=
 
|basionyms=
 
|family=Poaceae
 
|family=Poaceae
|illustrator=Linda A. Vorobik and Annaliese Miller
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|illustrator=Linda A. Vorobik;Annaliese Miller
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|illustration copyright=Utah State University
 
|distribution=Va.;Ga.;Tex.;La.;Ala.;N.C.;S.C.;Miss.;Ky.;Fla.
 
|distribution=Va.;Ga.;Tex.;La.;Ala.;N.C.;S.C.;Miss.;Ky.;Fla.
 
|reference=None
 
|reference=None
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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_767.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_767.xml
 
|subfamily=Poaceae subfam. Chloridoideae
 
|subfamily=Poaceae subfam. Chloridoideae
 
|tribe=Poaceae tribe Cynodonteae
 
|tribe=Poaceae tribe Cynodonteae

Revision as of 21:37, 16 December 2019

Plants perennial; cespitose, not rhizomatous. Culms 60-100 (150) cm, erect from the base, not conspicuously branched; internodes mostly glabrous, sometimes puberulent below the nodes. Sheaths glabrous or puberulent, rounded basally, becoming fibrous, not flat or spirally coiled, at maturity; ligules 1.8-5(10) mm, membranous, firm, strongly decurrent, obtuse; blades 20-50(80) cm long, 2-4 mm wide, flat or involute, smooth abaxially, scabrous adaxially. Panicles 15-50(60) cm long, 5-30 cm wide, longer than wide, diffuse; primary branches 2-20 cm, capillary, spreading 30-100° from the rachises, naked basally, lower branches with 5-20 spikelets; pedicels 4-50 mm, longer than the spikelets, capillary, flexible, widely divergent at maturity. Spikelets 3-5 mm, often purplish, sometimes brownish or bronze. Glumes subequal, 1.5-3.3 mm, shorter than the florets, glabrous; lower glumes 1-veined, unawned; upper glumes usually 1-veined, rarely 3-veined, acute to acuminate, often erose, sometimes mucronate; lemmas 3-5 mm, lanceolate, calluses shortly pubescent, apices acuminate, without setaceous teeth, usually unawned, if, as rarely, awned, awns 1-3 mm, clearly demarcated from the lemma bodies; paleas 2-4.5 mm, lanceolate, acuminate, unawned; anthers 1.5-2 mm, purple. Caryopses 2-2.5 mm, narrowly elliptic, brownish. 2n = unknown.

Distribution

Va., Ga., Tex., La., Ala., N.C., S.C., Miss., Ky., Fla.

Discussion

Muhlenbergia expansa grows in perennially moist to wet soils in pitcher plant bogs, pine savannahs, and flat-woods, usually in sandy soils and at elevations of 0-300 m. Its primary range is the coastal plain of the south-eastern United States.

Selected References

None.

Lower Taxa

None.