Difference between revisions of "Setaria grisebachii"

E. Fourn.
Common names: Grisebach's bristlegrass
Treatment appears in FNA Volume 25. Treatment on page 550.
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|distribution=Md.;Ariz.;Okla.;N.Mex.;Tex.
 
|distribution=Md.;Ariz.;Okla.;N.Mex.;Tex.
|discussion=<p>Setaria grisebachii is the most widespread and abundant native annual species of Setaria in the south-western United States. It grows in open ground and extends along the central highlands of Mexico to Guatemala, usually at elevations of 750-2500 m. The specimens from Maryland were collected on chrome ore piles; the species is not established in the state.</p>
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|discussion=<p><i>Setaria grisebachii</i> is the most widespread and abundant native annual species of <i>Setaria</i> in the south-western United States. It grows in open ground and extends along the central highlands of Mexico to Guatemala, usually at elevations of 750-2500 m. The specimens from Maryland were collected on chrome ore piles; the species is not established in the state.</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_1410.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_1410.xml
 
|subfamily=Poaceae subfam. Panicoideae
 
|subfamily=Poaceae subfam. Panicoideae
 
|tribe=Poaceae tribe Paniceae
 
|tribe=Poaceae tribe Paniceae

Revision as of 17:30, 18 September 2019

Plants annual. Culms 30-100 cm; nodes pubescent, hairs appressed. Sheaths with ciliate margins; ligules ciliate; blades to 12(25) cm long, to 10(20) mm wide, flat, hispid on both surfaces. Panicles 3-18 cm, loosely spicate, interrupted, often purple; rachises hispid; bristles 1-3, 5-15 mm, flexible, antrorsely scabrous. Spikelets 1.5-2.2 mm. Lower glumes about 1/3 as long as the spikelets, distinctly 3-veined, lateral veins coalescing with the central veins below the apices; upper glumes nearly equaling the upper lemmas, obtuse, 5-veined; lower lemmas equaling the upper lemmas; lower paleas about 1/3 as long as the lower lemmas, narrow; upper lemmas finely and transversely rugose; upper paleas similar to the upper lemmas. 2n = unknown.

Distribution

Md., Ariz., Okla., N.Mex., Tex.

Discussion

Setaria grisebachii is the most widespread and abundant native annual species of Setaria in the south-western United States. It grows in open ground and extends along the central highlands of Mexico to Guatemala, usually at elevations of 750-2500 m. The specimens from Maryland were collected on chrome ore piles; the species is not established in the state.

Selected References

None.

Lower Taxa

None.