View source for Biology:Balsamorhiza hookeri

{{Short description|Species of flowering plant}}
{{Speciesbox
| image = Balsamorhiza hookeri 2.jpg
| image_caption = ''Balsamorhiza hookeri'' in flower on Badger Mountain, Douglas County Washington
| genus = Balsamorhiza
| species = hookeri
| authority = ([[Biography:Frederick Traugott Pursh|Pursh]]) [[Biography:Thomas Nuttall|Nutt.]]
| synonyms_ref = <ref>{{ThePlantList |id=gcc-29087 |taxon=Balsamorhiza hookeri |authority=(Hook.) Nutt.}}</ref>
| synonyms =
* ''Balsamorhiza balsamorhiza'' <small>(Hook.) A.Heller</small>
* ''Balsamorhiza hirsuta'' <small>Nutt.</small>
* ''Balsamorhiza platylepis'' <small>W.M.Sharp</small> 
* ''Heliopsis balsamorhiza'' <small>Hook.</small>
}}
[[File:Hooker's balsamroot.jpg|thumb|''Balsamorhiza hookeri'', photographed in the Wasatch foothills, Provo, Utah.]]

'''''Balsamorhiza hookeri''''' ('''Hooker's balsamroot''') is a North American species of [[Biology:Perennial plant|perennial plant]] in the family [[Biology:Asteraceae|Asteraceae]]. It grows in the Great Basin and neighboring regions in the Western United States.<ref name=LBGBW>Great Basin Wildflowers, Laird R. Blackwell, 2006, Morris Book Publishing LLC., {{ISBN|0-7627-3805-7}}. p.&nbsp;115.</ref> It is found in {{wipe|Washington (state)}}, Oregon, {{wipe|California}}, Idaho, Nevada, Utah, and Arizona.<ref>{{BONAP |genus=Balsamorhiza |species=hookeri |date=2014}}</ref><ref>{{Calflora|Balsamorhiza hookeri}}</ref><ref>{{eFloras|1|250066209|Balsamorhiza hookeri |first=William A. |last=Weber |volume=21}}</ref>

==Description==
The leaves are compound pinnate, with the leaflet divisions also divided or deeply lobed. Basal leaves are hairy and may be up to {{convert|16|in|cm}} long.<ref name=LBGBW/>
There may be one to several stems, which are leafless and hairy, and topped by one flower each.<ref name="LBGBW" /><ref>{{Cite book|last=Taylor|first=Ronald J.|url=https://www.worldcat.org/oclc/25708726|title=Sagebrush Country: A Wildflower Sanctuary|publisher=Mountain Press Pub. Co|year=1994|isbn=0-87842-280-3|edition=rev.|location=Missoula, MT|pages=148|language=en|oclc=25708726|orig-year=1992}}</ref>

It blooms from April to July. Flower heads are {{convert|1|to|3|in|cm}} wide, and sunflower-like, with 10–21 fringe-tipped ray flowers and numerous disc flowers.<ref name="LBGBW" />

==Distribution and habitat==
It grows to {{convert|9000|ft|m}} in  dry, grassy meadows in [[Biology:Sagebrush steppe|sagebrush steppe]] and montane plant communities in the Great Basin.<ref name=LBGBW/> Is it abundant in Washington State scablands.

==Ecology==
It tends to grow in rockier habitats than its cousin, arrow-leaf balsamroot (''[[Biology:Balsamorhiza sagittata|Balsamorhiza sagittata]]'').<ref name=LBGBW/> It hybridizes with arrow-leaf balsamroot, which has arrow shaped leaves.<ref name=LBGBW/> The result is a plant with leaves that are arrow shaped, but also deeply divided.<ref name=LBGBW/>

==References==
{{Reflist}}

==External links==

{{Taxonbar|from=Q15545542}}

[[Category:Balsamorhiza|hookeri]]

{{Sourceattribution|Balsamorhiza hookeri}}