Difference between revisions of "Atriplex confertifolia"
Proc. Amer. Acad. Arts 9: 119. 1874.
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|common_names=Shadscale | |common_names=Shadscale | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=W | ||
| + | |label=Weedy | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Obione confertifolia | |name=Obione confertifolia | ||
|authority=Torrey & Frémont | |authority=Torrey & Frémont | ||
| + | |rank=species | ||
|publication_title=in J. C. Frémont, R ep. Exped. Rocky Mts., | |publication_title=in J. C. Frémont, R ep. Exped. Rocky Mts., | ||
|publication_place=318. 1845 | |publication_place=318. 1845 | ||
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|name=Atriplex collina | |name=Atriplex collina | ||
|authority=Wooton & Standley | |authority=Wooton & Standley | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Atriplex subconferta | |name=Atriplex subconferta | ||
|authority=Rydberg | |authority=Rydberg | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Obione rigida | |name=Obione rigida | ||
|authority=Torrey & Frémont | |authority=Torrey & Frémont | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Chenopodiaceae;Atriplex;Atriplex subg. Pterochiton;Atriplex confertifolia | |hierarchy=Chenopodiaceae;Atriplex;Atriplex subg. Pterochiton;Atriplex confertifolia | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Atriplex confertifolia | name=Atriplex confertifolia | ||
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|authority=(Torrey & Frémont) S. Watson | |authority=(Torrey & Frémont) S. Watson | ||
|rank=species | |rank=species | ||
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|publication title=Proc. Amer. Acad. Arts | |publication title=Proc. Amer. Acad. Arts | ||
|publication year=1874 | |publication year=1874 | ||
| − | |special status= | + | |special status=Weedy;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_745.xml |
|genus=Atriplex | |genus=Atriplex | ||
|subgenus=Atriplex subg. Pterochiton | |subgenus=Atriplex subg. Pterochiton | ||
Latest revision as of 22:00, 5 November 2020
Shrubs, dioecious, 3–8 dm, spinescent. Leaves persistent, alternate; petiole 1–4 mm; blade orbiculate to ovate, elliptic, or oval, 9–25(–45) × 4–20(–25) mm, margin entire, apex obtuse. Staminate flowers yellow, in clusters 2–4 mm wide or in spikes to 1 cm, axillary, in foliose-bracteate, divaricately branched panicles 3–15 cm. Pistillate flowers in similar paniculate inflorescences. Fruiting bracteoles sessile or subsessile, suborbiculate to rhombic or elliptic, 4–12 mm and wide, body indurate, terminal teeth distinct, foliaceous, shorter than bracteoles, entire or toothed below, terminal teeth spreading at maturity, faces smooth, lacking appendages. Seeds 1.5–2 mm wide. 2n = 18, 36, 54+.
Phenology: Flowering spring–fall.
Habitat: Gravelly to fine-textured soils in greasewood, mat-atriplex, other salt desert shrub, sagebrush, pinyon-juniper, and ponderosa pine communities
Elevation: 600-2200 m
Distribution
Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., N.Dak., Oreg., Tex., Utah, Wyo.
Discussion
Shadscale forms hybrids with Atriplex canescens, A. garrettii, A. corrugata, and A. gardneri varieties. It is, however, closely allied to A. parryi and A. spinifera. The plants are widely dispersed, typically on saline substrates but less commonly on essentially non-saline ones, through large areas of the western United States and adjacent Canada and Mexico, on both raw and exposed geological strata and on alluvium.
Selected References
None.