Difference between revisions of "Festuca elmeri"

Scribn. & Merr.
Common names: Coast fescue Elmer's fescue
Endemic
Synonyms: Festuca howellii Festuca elmeri var. conferta
Treatment appears in FNA Volume 24. Treatment on page 404.
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|publications=
 
|publications=
 
|common_names=Coast fescue;Elmer's fescue
 
|common_names=Coast fescue;Elmer's fescue
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|special_status={{Treatment/ID/Special_status
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|code=E
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|label=Endemic
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}}
 
|basionyms=
 
|basionyms=
 
|synonyms={{Treatment/ID/Synonym
 
|synonyms={{Treatment/ID/Synonym
 
|name=Festuca howellii
 
|name=Festuca howellii
|authority=unknown
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|authority=
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|rank=species
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Festuca elmeri var. conferta
 
|name=Festuca elmeri var. conferta
|authority=unknown
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|authority=
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|rank=variety
 
}}
 
}}
 
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Festuca;Festuca subg. Subulatae;Festuca sect. Elmera;Festuca elmeri
 
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Festuca;Festuca subg. Subulatae;Festuca sect. Elmera;Festuca elmeri
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Festuca elmeri
 
name=Festuca elmeri
|author=
 
 
|authority=Scribn. & Merr.
 
|authority=Scribn. & Merr.
 
|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=Calif.;Oreg.
 
|distribution=Calif.;Oreg.
 
|reference=None
 
|reference=None
 
|publication title=
 
|publication title=
 
|publication year=
 
|publication year=
|special status=
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|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V24/V24_567.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_567.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 cespitose. Culms 40-100(120) cm, glabrous, erect or slightly decumbent at the base. Sheaths closed for less than 1/3 their length, glabrous, smooth or slightly scabrous, shredding into fibers; collars glabrous, smooth or slightly scabrous; ligules 0.1-0.5(0.7) mm; blades 1.8-6 mm wide, vegetative shoot blades narrower than the cauline blades, flat or loosely conduplicate or convolute, abaxial surfaces glabrous, adaxial surfaces slightly scabrous or pubescent, veins 7-19, ribs obscure to prominent; abaxial sclerenchyma in narrow strands; adaxial sclerenchyma developed; pillars or girders present at the major veins. Inflorescences 10-20 cm, open, with 1-2 branches per node; branches lax, more or less spreading, spikelets borne towards the ends of the branches. Spikelets (7)7.5-11 mm, with 2-6(7) florets. Glumes lanceolate, glabrous, smooth or the apices slightly scabrous, acuminate; lower glumes 2-4 mm; upper glumes 3-4.6 mm; calluses wider than long, smooth or slightly scabrous, glabrous; lemmas 5.5-7 mm, lanceolate, scabrous or puberulent, minutely bidentate, awned, awns (1.5)2-5(8) mm, subterminal, straight to slightly curved or kinked; paleas as long as or longer than the lemmas, intercostal region puberulent distally; anthers (3)3.4-4 mm; ovary apices pubescent. 2n = 28.

Discussion

Festuca eltneri grows on moist wooded slopes, usually below 300(500) m, from Oregon to south-central California. The more southerly populations, which have larger spikelets with 5-6, rather than 3-4, florets and a more compact inflorescence with more or less erect panicle branches, have been named F. elmeri subsp. luxurians Piper.

Selected References

None.

Lower Taxa

None.