Difference between revisions of "Setaria villosissima"

(Scribn. & Merr.) K. Schum.
Common names: Hairyleaf bristlegrass
Treatment appears in FNA Volume 25. Treatment on page 548.
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|distribution=Ariz.;Tex.
 
|distribution=Ariz.;Tex.
|discussion=<p>Setaria villosissima is a rare species that grows on granitic soils in southwestern Texas and northern Mexico. The villous sheaths and blades and large spikelets of S. villosissima aid in its identification. A.S. Hitchcock's (1951) report of Setaria villosissima from Arizona is based on misidentification of a specimen of S. leucophila (Reeder 1994).</p>
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|discussion=<p><i>Setaria villosissima</i> is a rare species that grows on granitic soils in southwestern Texas and northern Mexico. The villous sheaths and blades and large spikelets of <i>S. villosissima</i> aid in its identification. A.S. Hitchcock's (1951) report of <i>Setaria villosissima</i> from Arizona is based on misidentification of a specimen of S. leucophila (Reeder 1994).</p>
 
|tables=
 
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|references={{Treatment/Reference
 
|references={{Treatment/Reference
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-->{{#Taxon:
 
name=Setaria villosissima
 
name=Setaria villosissima
|author=
 
 
|authority=(Scribn. & Merr.) K. Schum.
 
|authority=(Scribn. & Merr.) K. Schum.
 
|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=Ariz.;Tex.
 
|distribution=Ariz.;Tex.
 
|reference=reeder1994a
 
|reference=reeder1994a
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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_1405.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_1405.xml
 
|subfamily=Poaceae subfam. Panicoideae
 
|subfamily=Poaceae subfam. Panicoideae
 
|tribe=Poaceae tribe Paniceae
 
|tribe=Poaceae tribe Paniceae

Revision as of 21:33, 16 December 2019

Plants perennial; cespitose. Culms 40-100 cm. Sheaths villous distally, margins ciliate; ligules about 1 mm, densely ciliate, hairs white; blades 15-30 cm long, 5-8 mm wide, both surfaces villous. Panicles 10-20 cm, loosely spicate; bristles usually solitary, 10-20 mm. Spikelets 2.8-3 mm. Lower glumes about 1/3 as long as the spikelets, broadly ovate, 3-veined; upper glumes nearly equaling the spikelets, 5-7-veined; lower lemmas equaling the upper lemmas, 5-veined; lower paleas about 1/5 as long as the upper paleas, lanceolate; upper lemmas finely and transversely undulate-rugose basally, striate and punctate distally; upper paleas similar, ovate-lanceolate. 2n = 54.

Discussion

Setaria villosissima is a rare species that grows on granitic soils in southwestern Texas and northern Mexico. The villous sheaths and blades and large spikelets of S. villosissima aid in its identification. A.S. Hitchcock's (1951) report of Setaria villosissima from Arizona is based on misidentification of a specimen of S. leucophila (Reeder 1994).

Lower Taxa

None.