Difference between revisions of "Vulpia microstachys"
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Festuca microstachys | |name=Festuca microstachys | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Vulpia;Vulpia microstachys | |hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Vulpia;Vulpia microstachys | ||
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|1 | |1 | ||
|Glumes and lemmas smooth or scabrous | |Glumes and lemmas smooth or scabrous | ||
| − | |[[ | + | |[[Vulpia microstachys var. pauciflora|Vulpia microstachys var. pauciflora]] |
|-id=key-0-1 | |-id=key-0-1 | ||
|1 | |1 | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Vulpia microstachys | name=Vulpia microstachys | ||
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|authority=(Nutt.) Munro | |authority=(Nutt.) Munro | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda Ann Vorobik;Hana Pazdírková | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Colo.;N.Mex.;Wash.;B.C.;Utah;Calif.;Oreg.;Mont.;Ariz.;Idaho;Nev. | |distribution=Colo.;N.Mex.;Wash.;B.C.;Utah;Calif.;Oreg.;Mont.;Ariz.;Idaho;Nev. | ||
|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_645.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
Culms 15-75 cm, solitary or loosely tufted, usually glabrous, occasionally puberulent. Sheaths glabrous or pubescent; ligules 0.5-1 mm; blades usually shorter than 10 cm, 0.5-1 mm wide, usually rolled, occasionally flat, glabrous or pubescent. Inflorescences 2-24 cm long, 0.8-8 cm wide, usually panicles, sometimes spikelike branches solitary, with axillary pulvini, to erect when immature, spreading to maturity. Spikelets 4-10 mm, with 1-6 florets, often purple-tinged; rachilla internodes 0.6-1.2 mm. Glumes smooth, scabrous, or pubescent; lower glumes 1.7-5.5 mm, 1/2 - 3/4 the length of the upper glumes; upper glumes 3.5-7.5 mm; lemmas 3.5-9.5 mm, smooth, scabrous, or evenly pubescent, 5-veined, awns of the lowermost lemma in each spikelet (3)6-20 mm; paleas usually slightly longer than the lemmas, apices minutely bifid, teeth 0.2-0.5 mm; anthers 0.7-3 mm. Caryopses 3.5-6.5 mm. 2n = 42.
Distribution
Colo., N.Mex., Wash., B.C., Utah, Calif., Oreg., Mont., Ariz., Idaho, Nev.
Discussion
Vulpia microstachys is native to western North America, growing from British Columbia south through the western United States into Baja California. Four varieties are recognized here on the basis of spikelet indumentum, but they frequently occur together, and intergrading forms are known. No difference in their geographic or ecological distribution is known.
Selected References
None.
Lower Taxa
Key
| 1 | Glumes and lemmas smooth or scabrous | Vulpia microstachys var. pauciflora |
| 1 | Glumes and/or lemmas pubescent. | > 2 |
| 2 | Glumes and lemmas pubescent | Vulpia microstachys var. ciliata |
| 2 | Glumes or lemmas, but not both, pubescent. | > 3 |
| 3 | Glumes pubescent; lemmas glabrous | Vulpia microstachys var. confusa |
| 3 | Glumes glabrous; lemmas pubescent | Vulpia microstachys var. microstachys |