Difference between revisions of "Atriplex elegans var. elegans"

Illustrated
Synonyms: Atriplex elegans var. thornberi Atriplex thornberi
Treatment appears in FNA Volume 4. Treatment on page 364. Mentioned on page 365.
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{{Treatment/ID
 
{{Treatment/ID
 
|accepted_name=Atriplex elegans var. elegans
 
|accepted_name=Atriplex elegans var. elegans
|accepted_authority=unknown
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|accepted_authority=
 
|publications=
 
|publications=
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|special_status={{Treatment/ID/Special_status
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|code=F
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|label=Illustrated
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}}
 
|basionyms=
 
|basionyms=
 
|synonyms={{Treatment/ID/Synonym
 
|synonyms={{Treatment/ID/Synonym
 
|name=Atriplex elegans var. thornberi
 
|name=Atriplex elegans var. thornberi
|authority=unknown
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|authority=
}}{{Treatment/ID/Synonym
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|rank=variety
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}} {{Treatment/ID/Synonym
 
|name=Atriplex thornberi
 
|name=Atriplex thornberi
|authority=unknown
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|authority=
 +
|rank=species
 
}}
 
}}
 
|hierarchy=Chenopodiaceae;Atriplex;Atriplex subg. Obione;Atriplex sect. Obione;Atriplex subsect. Arenariae;Atriplex elegans;Atriplex elegans var. elegans
 
|hierarchy=Chenopodiaceae;Atriplex;Atriplex subg. Obione;Atriplex sect. Obione;Atriplex subsect. Arenariae;Atriplex elegans;Atriplex elegans var. elegans
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|distribution=Ariz.;Calif.;Nev.;N.Mex.;Tex.;Utah;n Mexico (Chihuahua;Sonora).
 
|distribution=Ariz.;Calif.;Nev.;N.Mex.;Tex.;Utah;n Mexico (Chihuahua;Sonora).
 
|discussion=<p>The faces of the fruiting bracteoles are typically smooth, but in some plants of southern Arizona especially the faces bear a single sub-basal crest, or more commonly paired crests alongside the bracteole median. The cristae rise and fall not only within populations but on individual plants, as pointed out by H. M. Hall and F. E. Clements (1923), and apparently lack taxonomic value. A sterile collection from Brewster County, Texas (B. H. Warnock 409-T), has long-attenuate leaf bases, the expanded portion of the blade spatulate-oblanceolate to oval. It is tentatively placed here, but might represent some species from south of the Mexican border.</p><!--
 
|discussion=<p>The faces of the fruiting bracteoles are typically smooth, but in some plants of southern Arizona especially the faces bear a single sub-basal crest, or more commonly paired crests alongside the bracteole median. The cristae rise and fall not only within populations but on individual plants, as pointed out by H. M. Hall and F. E. Clements (1923), and apparently lack taxonomic value. A sterile collection from Brewster County, Texas (B. H. Warnock 409-T), has long-attenuate leaf bases, the expanded portion of the blade spatulate-oblanceolate to oval. It is tentatively placed here, but might represent some species from south of the Mexican border.</p><!--
--><p>Specimens of the “thornberi” phase, collected by Thornber, are present at UC: Santa Cruz Valley, Tucson, 16 Aug 1910, J. J. Thornber s.n., 2 sheets. At least some portion of the material by Thornber is possibly the type material for var. thornberi, but there is no indication on the sheets that they were seen by Jones.</p>
+
--><p>Specimens of the “thornberi” phase, collected by Thornber, are present at UC: Santa Cruz Valley, Tucson, 16 Aug 1910, J. J. Thornber s.n., 2 sheets. At least some portion of the material by Thornber is possibly the type material for <i></i>var.<i> thornberi</i>, but there is no indication on the sheets that they were seen by Jones.</p>
 
|tables=
 
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-->{{#Taxon:
 
name=Atriplex elegans var. elegans
 
name=Atriplex elegans var. elegans
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|authority=unknown
 
 
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|rank=variety
 
|parent rank=species
 
|parent rank=species
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|publication title=
 
|publication title=
 
|publication year=
 
|publication year=
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|special status=Illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V4/V4_714.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_714.xml
 
|genus=Atriplex
 
|genus=Atriplex
 
|subgenus=Atriplex subg. Obione
 
|subgenus=Atriplex subg. Obione

Latest revision as of 22:00, 5 November 2020

Stems 0.5–4.5 dm. Fruiting bracteoles sessile, orbicular but not especially samaralike, compressed, (2–)3–4 mm, united to beyond middle, margin dentate to incised, teeth 0.5–1 mm. Seeds 1–1.5 mm.


Phenology: Flowering spring–fall.
Habitat: Saline creosote bush scrub, deserts
Elevation: below 800 m

Distribution

V4 714-distribution-map.gif

Ariz., Calif., Nev., N.Mex., Tex., Utah, n Mexico (Chihuahua, Sonora).

Discussion

The faces of the fruiting bracteoles are typically smooth, but in some plants of southern Arizona especially the faces bear a single sub-basal crest, or more commonly paired crests alongside the bracteole median. The cristae rise and fall not only within populations but on individual plants, as pointed out by H. M. Hall and F. E. Clements (1923), and apparently lack taxonomic value. A sterile collection from Brewster County, Texas (B. H. Warnock 409-T), has long-attenuate leaf bases, the expanded portion of the blade spatulate-oblanceolate to oval. It is tentatively placed here, but might represent some species from south of the Mexican border.

Specimens of the “thornberi” phase, collected by Thornber, are present at UC: Santa Cruz Valley, Tucson, 16 Aug 1910, J. J. Thornber s.n., 2 sheets. At least some portion of the material by Thornber is possibly the type material for var. thornberi, but there is no indication on the sheets that they were seen by Jones.

Selected References

None.

Lower Taxa

None.
Stanley L. Welsh +
(Moquin-Tandon) D. Dietrich +
Obione elegans +
Ariz. +, Calif. +, Nev. +, N.Mex. +, Tex. +, Utah +, n Mexico (Chihuahua +  and Sonora). +
below 800 m +
Saline creosote bush scrub, deserts +
Flowering spring–fall. +
Illustrated +
Atriplex elegans var. thornberi +  and Atriplex thornberi +
Atriplex elegans var. elegans +
Atriplex elegans +
variety +