Difference between revisions of "Festuca washingtonica"
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name=Festuca washingtonica | name=Festuca washingtonica | ||
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|authority=E.B. Alexeev | |authority=E.B. Alexeev | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Cindy Roché | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Wash.;B.C. | |distribution=Wash.;B.C. | ||
|reference=None | |reference=None | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |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 17:24, 11 May 2021
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.
Distribution
Wash., B.C.
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.