Difference between revisions of "Festuca washingtonica"

E.B. Alexeev
Common names: Washington fescue Howell's fescue
Treatment appears in FNA Volume 24. Treatment on page 440.
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|distribution=Wash.;B.C.
 
|distribution=Wash.;B.C.
|discussion=<p>Festuca washingtonica grows in subalpine to low alpine regions of British Columbia and Washington. It has also been reported from Oregon and northern California; these records have not been verified.</p>
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|discussion=<p><i>Festuca washingtonica</i> grows in subalpine to low alpine regions of British Columbia and Washington. It has also been reported from Oregon and northern California; these records have not been verified.</p>
 
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|references=
 
|references=
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-->{{#Taxon:
 
name=Festuca washingtonica
 
name=Festuca washingtonica
|author=
 
 
|authority=E.B. Alexeev
 
|authority=E.B. Alexeev
 
|rank=species
 
|rank=species
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|basionyms=
 
|basionyms=
 
|family=Poaceae
 
|family=Poaceae
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|illustrator=Cindy Roché
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|illustration copyright=Utah State University
 
|distribution=Wash.;B.C.
 
|distribution=Wash.;B.C.
 
|reference=None
 
|reference=None
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|publication year=
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V24/V24_629.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_629.xml
 
|subfamily=Poaceae subfam. Pooideae
 
|subfamily=Poaceae subfam. Pooideae
 
|tribe=Poaceae tribe Poeae
 
|tribe=Poaceae tribe Poeae

Latest revision as of 16:24, 11 May 2021

Please click on the illustration for a higher resolution version.
Illustrator: Cindy Roché

Copyright: Utah State University

Plants loosely or densely cespitose, without rhizomes. Culms 40-70(100) cm, smooth, glabrous throughout; nodes usually not exposed. Sheaths closed for less than 1/2 their length, glabrous or scabrous, persistent or slowly shredding into fibers; collars glabrous; ligules (0.2)0.3-0.5 mm; blades 1.5-3 mm in diameter, loosely conduplicate to flat, persistent, abaxial surfaces glabrous and smooth, adaxial surfaces scabrous or pubescent on the ribs, veins 7-13, ribs 7-10(13), blades of the lower and upper cauline leaves similar in length and stiffness; abaxial sclerenchyma in strands opposite and about as wide as the major veins; adaxial sclerenchyma often present opposite the major veins; pillars or girders often developed. Inflorescences 8-12(15) cm, loosely contracted, with 1-2 branches per node; branches lax, spreading or loosely erect, lower branches with 2+ spikelets. Spikelets 8-15(18) mm, with (3)4-6(10) florets. Glumes exceeded by the upper florets, lanceolate to ovate-lanceolate, scabrous distally; lower glumes (2)3.5-5.5 mm; upper glumes (4)5.5-7(8) mm; calluses wider than long, glabrous, sometimes slightly scabrous; lemmas (5.5)8-10(11) mm, lanceolate, scabrous or puberulent at least distally, attenuate, sometimes minutely bidentate, awns 1-3(3.5) mm, terminal or subterminal, straight, occasionally absent; paleas about as long as the lemmas, intercostal region scabrous or puberulent distally; anthers (3)3.7-5.7 mm; ovary apices sparsely or densely pubescent. 2n = unknown.

Discussion

Festuca washingtonica grows in subalpine to low alpine regions of British Columbia and Washington. It has also been reported from Oregon and northern California; these records have not been verified.

Selected References

None.

Lower Taxa

None.