Anemonoides oregana

{{Short description|Species of flowering plant in the buttercup family}} {{Speciesbox |image=Anemone oregana var. oregana 2.jpg |image_caption=At [[Leavenworth Ski Hill]] in [[Chelan County, Washington]] |genus=Anemonoides |species=oregana |authority=([[Asa Gray|A.Gray]]) Holub |synonyms_ref={{r|powo}} |synonyms={{Collapsible list|{{Species list |Anemone adamsiana |Eastw. |Anemone adamsiana var. minor |Eastw. |Anemone felix |M.Peck |Anemone nemorosa var. grayi |Greene |Anemone nemorosa var. oregana |(A.Gray) Ulbr. |Anemone oregana |A.Gray |Anemone oregana var. felix |(M.Peck) C.L.Hitchc. |Anemone quinquefolia subsp. grayi |(Behr. & Kellogg) A.E.Murray |Anemone quinquefolia var. grayi |(Behr ex Kellogg) Jeps. |Anemone quinquefolia var. minor |(Eastw.) Munz |Anemone quinquefolia var. oregana |(A.Gray) B.L.Rob. Anemonoides felix |(M.Peck) Holub }} }} }}

'''''Anemonoides oregana''''' (commonly called ''Anemone oregana'') is a species of flowering plant in the [[Ranunculaceae|buttercup]] family known by the common names '''blue windflower''', '''Oregon anemone''', and '''western wood anemone'''. It is native to the forests of Washington, Oregon, and northern California in western North America, generally below {{Convert|7000|feet|-2}} elevation.{{r|sullivan2018}}{{r|wtu2018}}{{r|jepson}}

==Taxonomy== The Oregon anemone was [[species description|first formally named]] by [[Asa Gray]] in 1887.{{r|ipni13484-2}} It has sometimes been treated as a subspecies or variety of ''[[Anemonoides nemorosa|A. nemorosa]]'' or ''[[Anemonoides quinquefolia|A. quinquefolia]]''.{{r|powo}}

Two varieties are sometimes accepted:{{r|wtu2018}}{{r|jepson}} * ''A. oregana'' var. ''oregana'' is found from [[Chelan County, Washington]] south to California and less commonly west of the [[Cascade Range]].{{r|wtu2018}}{{r|jepson}} * ''A. oregana'' var. ''felix'' is a generally smaller variety limited to coastal wetlands of [[Grays Harbor County, Washington]], and [[Lincoln County, Oregon]].{{r|wtu2018}}

{{As of|August 2020}}, [[Kew]]'s [[Plants of the World Online]] accepts no infraspecific taxa of ''Anemonoides oregana''.{{r|powo}}

==Description== ''Anemone oregana'' is a perennial herb growing from a thick [[rhizome]], generally {{cvt|50|-|300|mm|0}} high, but exceptionally to {{Cvt|350|mm|0}}. A single basal leaf made up of three large leaflets on a {{cvt|40|-|200|mm|0}} [[Petiole (botany)|petiole]] may be present. The [[inflorescence]] consists of a single tier of three leaflike bracts and a single flower. The bracts are similar to the basal leaf when the latter is present. The terminal leaflet may have a petiole or may be sessile. Its margin is sharply toothed on the distal half or third and its tip is pointed. Lateral leaflets may have a single lobe. The flower has no petals but 5 to 7 petal-like [[sepal]]s in any of several colors, usually blue or purple but sometimes reddish, pink, white, or bicolored. In the center of the flower are up to 75 thin [[stamen]]s. The fruit is a cluster of [[achene]]s.{{r|wtu2018}}{{r|jepson}}

{{Gallery |Anemone oregana 9066.JPG|Lateral leaflets may be lobeless or have a single lobe as in this individual with white-sepals. |Anemone oregana 9052.JPG|Pistils are clustered, short and numerous and surrounded by 30 to 75 much longer stamens. Below the flower are five to eight petal-like sepals. }}

==References== {{Reflist|refs= <ref name=ipni13484-2>{{cite web |title=''Anemone oregana'' A.Gray |url=http://ipni.org/n/13484-2|website=ipni.org |publisher=International Plant Names Index |accessdate=9 August 2020}}</ref> <ref name=jepson>{{cite web |url=http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=Anemone%20oregana%20var.%20oregana |date=2018 |title=Anemone oregana var. oregana |website=in Jepson Flora Project (eds.) Jepson eFlora |publisher=Jepson Herbarium; University of California, Berkeley |accessdate=2018-08-19}}</ref> <ref name=powo>{{cite web |title=''Anemonoides oregana'' (A.Gray) Holub |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:13538-2 |website=Plants of the World Online |publisher=[[Royal Botanic Gardens, Kew]] |accessdate=9 August 2020}}</ref> <ref name=sullivan2018>{{cite web |url=http://www.wildflowersearch.com/search?&PlantName=Anemone+oregana |last=Sullivan |first=Steven. K. |date=2018 |title=''Anemone oregana'' |website=Wildflower Search |accessdate=2018-08-19}}</ref> <ref name=wtu2018>{{cite web |url=http://biology.burke.washington.edu/herbarium/imagecollection/taxon.php?Taxon=Anemone%20oregana |editor-last=Giblin |editor-first=David |date=2018 |title=''Anemone oregana'' |website=WTU Herbarium Image Collection |publisher=Burke Museum, University of Washington |accessdate=2018-08-19}}</ref> }}

[[Category:Anemonoides|oregana]] [[Category:Flora of California]] [[Category:Flora of Oregon]] [[Category:Flora of Washington (state)]] [[Category:Plants described in 1887]] [[Category:Flora without expected TNC conservation status]]