{{Short description|Species of flowering plant}} {{Speciesbox |image = Artemisiaarbuscula.jpg |status = {{TNCStatus}} |status_system = TNC |genus = Artemisia |species = arbuscula |authority = Nutt. |synonyms_ref = <ref name=w>[http://www.theplantlist.org/tpl1.1/record/gcc-76649 The Plant List ''Artemisia arbuscula'' Nutt. ]</ref> |synonyms = *''Serphidium arbusculum'' <small>(Nutt.) W.A.Weber</small> *''Artemisia longiloba'' <small>(Osterh.) Beetle, syn of subsp. ''longiloba''</small> }}
'''''Artemisia arbuscula''''' is a North American species of sagebrush known by the common names '''little sagebrush''', '''low sagebrush''', or '''black sagebrush'''. It is native to the western United States from Washington, Oregon, and California east as far as Colorado and Wyoming. It grows in open, exposed habitat on dry, sterile soils high in rock and clay content.<ref name="r">{{Cite web|url=http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066142|title=Artemisia arbuscula in Flora of North America @ efloras.org|website=www.efloras.org|access-date=2017-02-06}}</ref><ref>[http://bonap.net/MapGallery/County/Artemisia%20arbuscula.png Biota of North America Program 2014 county distribution map]</ref><ref>[http://www.calflora.org/cgi-bin/species_query.cgi?where-taxon=Artemisia+arbuscula Calflora taxon report, University of California, ''Artemisia arbuscula'' Nutt., Black sagebrush, low sagebrush ]</ref>
==Description== ''Artemisia arbuscula'' is a gray-green to gray shrub forming mounds generally no higher than {{convert|30|cm}}. Its many branches are covered in hairy leaves each less than a centimeter long. The inflorescence is a spike-shaped array of clusters of hairy flower heads. Each head contains a few pale yellow disc florets but no ray florets. The fruit is a tiny achene less than a millimeter wide.<ref name=r/>
;Subspecies<ref name=w/><ref name=r/> * ''Artemisia arbuscula'' subsp. ''arbuscula'' * ''Artemisia arbuscula'' subsp. ''longiloba'' <small>(Osterh.) L.M.Shultz</small> * ''Artemisia arbuscula'' subsp. ''thermopola'' <small>Beetle</small> - Idaho, Utah, Wyoming
=== Galls === This species is host to the following insect induced galls: * ''Eutreta diana'' <small>(Osten Sacken, 1877)</small> fly stem gall * ''Rhopalomyia conica'' * ''Rhopalomyia medusa'' <small>Gagné, 1983</small> Sagebrush Medusa Gall Midge * ''Rhopalomyia obovata'' <small>Gagné, 1983</small> <gallery mode="packed" heights=144px> Eutreta_diana_1.jpg|''Eutreta diana'' gall Rhopalomyia_conica_1.jpg|''Rhopalomyia conica'' gall Rhopalomyia_medusa_1.jpg|''Rhopalomyia medusa'' gall </gallery>
==References== {{reflist}}
==External links== {{commons}} * {{Calflora|Artemisia arbuscula}} * {{CalPhotos|Artemisia|arbuscula}} * [http://www.fs.fed.us/global/iitf/pdf/shrubs/Artemisia%20arbuscula.pdf United States Department of Agriculture National Forest Service Info Sheet] * [https://web.archive.org/web/20020718070319/http://www.sagebrushsea.org/ Save The Sagebrush Sea] * [https://gallformers.org/host/3607 Gallformers]
{{Taxonbar|from=Q583176}}
arbuscula Category:Flora of the Western United States Category:Flora of the Great Basin Category:Flora of the Sierra Nevada (United States) Category:Flora of California Category:Plants described in 1841 Category:Taxa named by Thomas Nuttall Category:Flora without expected TNC conservation status
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