Difference between revisions of "Muhlenbergia wrightii"

Vasey ex J.M. Coult.
Common names: Spike muhly
Treatment appears in FNA Volume 25. Treatment on page 171.
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|distribution=Okla.;N.Mex.;Tex.;Utah;Ariz.;Colo.
 
|distribution=Okla.;N.Mex.;Tex.;Utah;Ariz.;Colo.
|discussion=<p>Muhlenbergia wrightii grows in gravelly prairies, on rocky slopes, and in meadows on granitic, sandstone, or limestone-derived soils, at elevations of 1100-3000 m. Its range extends from the southwestern United States to northern Mexico.</p>
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|discussion=<p><i>Muhlenbergia wrightii</i> grows in gravelly prairies, on rocky slopes, and in meadows on granitic, sandstone, or limestone-derived soils, at elevations of 1100-3000 m. Its range extends from the southwestern United States to northern Mexico.</p>
 
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|publication year=
 
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|special status=
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V25/V25_740.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_740.xml
 
|subfamily=Poaceae subfam. Chloridoideae
 
|subfamily=Poaceae subfam. Chloridoideae
 
|tribe=Poaceae tribe Cynodonteae
 
|tribe=Poaceae tribe Cynodonteae

Revision as of 16:34, 18 September 2019

Plants perennial; cespitose, not rhizomatous. Culms 15-60 cm tall, 1.5-2.5 mm thick, compressed, erect, not rooting at the lower nodes; internodes mostly hispidulous or glabrous, strigose to hispidulous below the nodes. Sheaths usually shorter than the internodes, smooth or scabridulous, compressed-keeled, not becoming spirally coiled when old; ligules 1-3(5) mm, membranous, truncate; blades 1.4-12 cm long, 1-3 mm wide, flat to folded, smooth or scabridulous abaxially, strigose adaxially. Panicles 5-16 cm long, 0.2-1.2 cm wide, spikelike, dense; primary branches 0.3-2 cm, appressed; pedicels 0.1-1.4 mm. Spikelets 2-3 mm, dark green or plumbeous. Glumes equal, 0.5-1.6 mm, usually 1/2 - 3/4 as long as the lemmas, 1-veined, scabridulous on the veins, acute or obtuse, abruptly narrowed to a short (0.5-1 mm) awn; lemmas 2-3 mm, lanceolate, appressed-pubescent on the basal 1/2 - 3/4 of the midveins and margins, hairs about 0.5 mm, apices scabridulous, acute to acuminate, mucronate, mucros 0.3-1 mm; paleas 1.9-3 mm, lanceolate, intercostal region pubescent, apices acute to acuminate; anthers 1.3-1.8 mm, greenish. Caryopses 1.2-2 mm, fusiform, brownish. 2n = unknown.

Distribution

Okla., N.Mex., Tex., Utah, Ariz., Colo.

Discussion

Muhlenbergia wrightii grows in gravelly prairies, on rocky slopes, and in meadows on granitic, sandstone, or limestone-derived soils, at elevations of 1100-3000 m. Its range extends from the southwestern United States to northern Mexico.

Selected References

None.

Lower Taxa

None.