Difference between revisions of "Muhlenbergia ×curtisetosa"

(Scribn.) Bush
Synonyms: Muhlenbergia schreberi var. curtisetosa Muhlenbergia curtisetosa
Treatment appears in FNA Volume 25. Treatment on page 156.
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|synonyms={{Treatment/ID/Synonym
 
|synonyms={{Treatment/ID/Synonym
 
|name=Muhlenbergia schreberi var. curtisetosa
 
|name=Muhlenbergia schreberi var. curtisetosa
|authority=unknown
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|authority=
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|rank=variety
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Muhlenbergia curtisetosa
 
|name=Muhlenbergia curtisetosa
|authority=unknown
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|authority=
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|rank=species
 
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|hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Muhlenbergia;Muhlenbergia ×curtisetosa
 
|hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Muhlenbergia;Muhlenbergia ×curtisetosa
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|distribution=Ark.;Iowa;Ind.;Ont.;Tex.;Ohio;Mo.;Pa.;Ill.
 
|distribution=Ark.;Iowa;Ind.;Ont.;Tex.;Ohio;Mo.;Pa.;Ill.
|discussion=<p>Muhlenbergia ×curtisetosa grows in abandoned fields and forest openings, often near bogs, at elevations of 20-300 m. It may be a hybrid between M. schreberi (which contributes the short glumes) and either of two rhizomatous species, M. frondosa and M. tenuiflora.</p>
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|discussion=<p><i>Muhlenbergia ×curtisetosa</i> grows in abandoned fields and forest openings, often near bogs, at elevations of 20-300 m. It may be a hybrid between <i>M. schreberi</i> (which contributes the short glumes) and either of two rhizomatous species, <i>M. frondosa</i> and <i>M. tenuiflora</i>.</p>
 
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name=Muhlenbergia ×curtisetosa
 
name=Muhlenbergia ×curtisetosa
|author=
 
 
|authority=(Scribn.) Bush
 
|authority=(Scribn.) Bush
 
|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=Ark.;Iowa;Ind.;Ont.;Tex.;Ohio;Mo.;Pa.;Ill.
 
|distribution=Ark.;Iowa;Ind.;Ont.;Tex.;Ohio;Mo.;Pa.;Ill.
 
|reference=None
 
|reference=None
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|special status=
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V25/V25_717.xml
 
|subfamily=Poaceae subfam. Chloridoideae
 
|subfamily=Poaceae subfam. Chloridoideae
 
|tribe=Poaceae tribe Cynodonteae
 
|tribe=Poaceae tribe Cynodonteae

Revision as of 20:37, 16 December 2019

Plants perennial; occasionally rhizomatous. Culms 20-70 cm tall, less than 3 mm thick, erect, branched above; internodes smooth, shiny for most of their length, scabridulous or glabrous below the nodes. Sheaths glabrous, margins hyaline, old sheaths not flattened, papery, or spirally coiled; ligules 0.2-1.1 mm, membranous, truncate, sometimes ciliolate; blades 2-8.5 cm long, 2-5 mm wide, flat, smooth or scabridulous. Panicles 4.2-16.5 cm long, 0.2-1.5 cm wide, mostly exserted from the sheath; primary branches 0.8-7.2 cm, ascending to appressed; pedicels 0.6-3 mm, strigose. Spikelets 2.2-3.4 mm. Glumes shorter than the florets, veins scabridulous, unawned or awned, awns to 0.5 mm; lower glumes 0.4-1.5 mm, veinless (rarely 1-veined), usually truncate to rounded, occasionally acute, sometimes notched; upper glumes 0.8-1.9 mm, 1(2)-veined, acute to acuminate; lemmas 2.2-3(3.4) mm, lanceolate, hairy on the calluses and lower portion of the margins and midveins, hairs shorter than 1.5 mm, apices scabridulous, acuminate, awned, awns 0.5-4 mm, straight; paleas 2.2-3.1(3.4) mm, lanceolate, intercostal region shortly pilose on the lower 1/2, apices acuminate; anthers usually not developed, occasionally 1 or 2 present, 0.3-0.9 mm, yellow. Caryopses 1.4-1.6 mm, fusiform, brown. 2n = unknown.

Distribution

Ark., Iowa, Ind., Ont., Tex., Ohio, Mo., Pa., Ill.

Discussion

Muhlenbergia ×curtisetosa grows in abandoned fields and forest openings, often near bogs, at elevations of 20-300 m. It may be a hybrid between M. schreberi (which contributes the short glumes) and either of two rhizomatous species, M. frondosa and M. tenuiflora.

Selected References

None.

Lower Taxa

None.