Sorbus sitchensis: Difference between revisions

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{{Short description|Species of plant}}
{{italic title}}
{{Speciesbox
{{Taxobox
| name = Sitka Mountain-ash
| name = Sitka mountain-ash
| image= Sorbus_sitchensis_7147.JPG
| image = Sorbus_sitchensis_7147.JPG
| image_caption= Flowers are 80 or fewer, borne in flat compound cymes three or four inches across.
| image_caption = Flower cymes
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| taxon = Sorbus sitchensis
| regnum = [[Plant]]ae
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| authority = [[Max Joseph Roemer|M.Roem.]]
| divisio = [[Flowering plant|Magnoliophyta]]
| synonyms =
| classis = [[Magnoliopsida]]
* ''Pyrus sitchensis'' <small>(M.Roem.) Piper</small>
| ordo = [[Rosales]]
* ''Pyrus sambucifolia'' <small>Bong.</small>
| familia = [[Rosaceae]]
| genus = ''[[Sorbus]]''
* ''Sorbus tilingii'' <small>Gand.</small>
| range_map = Sorbus sitchensis range map.png
| subgenus = ''[[Rowan|Sorbus]]''
| range_map_caption = Range of Sorbus sitchensis
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|sectio = ''Tianshanicae''<ref name=McAllister2005>McAllister, H.A. 2005. ''The genus Sorbus: Mountain Ash and other Rowans ''. Kew Publishing.</ref>| species = '''''S. sitchensis'''''
⚫
| binomial = ''Sorbus sitchensis''
⚫
| binomial_authority = [[Max Joseph Roemer|M.Roem.]]
}}
}}

'''''Sorbus sitchensis''''', also known as '''Sitka Mountain-ash''', is a small [[shrub]] of the western United States.
'''''Sorbus sitchensis''''', commonly known as '''western mountain ash'''<ref>{{PLANTS|id=SOSI2|taxon=Sorbus sitchensis|accessdate=24 November 2015}}</ref> and '''Sitka mountain-ash''', is a small species of [[shrub]] of north-western North America.


==Description==
==Description==
A multistemmed shrub, it is indigenous to the [[Pacific Coast]] of [[North America]], from [[Alaska]] to northern [[California]] and eastward to [[Idaho]] and western [[Montana]].<ref name= Pojar >{{cite book | last = Pojar | first = Jim | coauthors = Andy MacKinnon | title = Plants of the Pacific Northwest | publisher = Lone Pine Publishing | pages = 71 | date = 1994 | id = ISBN 1-55105-042-0}}</ref>
A multi-stemmed shrub, it is [[endemic]] to north-western North America, from the Pacific coast of [[Alaska]], to the mountains of [[Washington (state)|Washington]], [[Oregon]] and northern [[California]] and eastward to parts of [[Idaho]] and western [[Alberta]] and [[Montana]]. It is widespread in [[British Columbia]].<ref name= "Pojar1994" >{{cite book | last = Pojar | first = Jim |author2=Andy MacKinnon | title = Plants of the Pacific Northwest | publisher = Lone Pine Publishing | pages = 71 | date = 1994 | isbn = 1-55105-042-0}}</ref>


⚫
[[Image:Sorbus_sitchensis_26638.JPG|left|thumb|''Sorbus sitchensis'' fall foliage and fruit]]
The otherwise similar ''[[Sorbus scopulina]]'' has yellow-green sharp-pointed leaflets that are sharply serrated over most of their length.
The otherwise similar ''[[Sorbus scopulina]]'' has yellow-green sharp-pointed leaflets that are sharply serrated over most of their length.


* Winter buds: Not sticky with rusty hairs.
; Winter buds: Not sticky with rusty hairs.
* Leaves: Alternate, compound, six to ten inches long, Leaflets seven to ten, blue-green, lanceolate or long oval, with rounded tip, toothed usually from the middle to the end. In autumn they turn yellow, orange and red. Stipules leaf-like, caducous.
; Leaves: Alternate, compound, six to ten inches long, Leaflets seven to ten, blue-green, lanceolate or long oval, with rounded tip, toothed usually from the middle to the end. In autumn they turn yellow, orange and red. Stipules leaf-like, caducous.
; Flowers: After the leaves are fully grown, June through September.<ref name="Sullivan2013">{{cite web | last = Sullivan | first = Steven. K. | title = Sorbus sitchensis | work = Wildflower Search | date = 2013 | url = http://www.wildflowersearch.com/search?oldstate=bloom%3AIgnore%3B&PlantName=Sorbus+sitchensis | accessdate = 2013-03-17 }}
* Flowers: After the leaves are fully grown. White, small, 80 or fewer, borne in flat compound cymes three or four inches across.
</ref> White, small, 80 or fewer, borne in flat compound cymes three or four inches across.
* Fruit: Berry-like pome, globular, one-quarter of an inch across, bright pinkish<ref name=McAllister2005/> red, borne in cymous clusters.
; Fruit: Berry-like pome, globular, one-quarter of an inch across, bright pinkish<ref name=McAllister2005/> red, borne in cymous clusters. They are enjoyed by the [[Dusky grouse | Richardson's grouse]].<ref>{{cite book |last=Peattie |first=Donald Culross |authorlink=Donald C. Peattie |title=A Natural History of Western Trees |year=1953 |publisher=[[Bonanza Books]] |location=New York |page=510}}</ref>

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[[Image:Sorbus_sitchensis_26638.JPG|left|thumb|''Sorbus sitchensis'' fall foliage and fruit]]

== Uses ==
While not choice eating, the fruits are consumed by some birds in winter.<ref>{{Cite book|last=Fagan|first=Damian|url=https://www.worldcat.org/oclc/1073035766|title=Wildflowers of Oregon: A Field Guide to Over 400 Wildflowers, Trees, and Shrubs of the Coast, Cascades, and High Desert|publisher=[[FalconGuides]]|year=2019|isbn=978-1-4930-3633-2|location=Guilford, CT|pages=90|oclc=1073035766}}</ref>{{clear}}


==References==
==References==
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{{reflist|refs=
⚫
{{Commons}}
⚫
<ref name=McAllister2005>McAllister, H.A. 2005. ''The genus Sorbus: Mountain Ash and other Rowans ''. Kew Publishing.</ref>
⚫
{{reflist}}
}}
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{{Rosales-stub}}
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*{{Commons-inline}}

{{taxonbar |from=Q3938471}}
[[Category:Sorbus|sitchensis]]
[[Category:Sorbus|sitchensis]]
[[Category:Flora of Subarctic America]]
[[Category:Flora of Western Canada]]
[[Category:Flora of the Northwestern United States]]
[[Category:Flora of the Southwestern United States]]



⚫
{{sorbus-stub}}
[[az:Sorbus sitchensis]]
[[fi:Sitkanpihlaja]]

Latest revision as of 22:26, 27 April 2024

Sitka mountain-ash
Flower cymes
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Sorbus
Species:
S. sitchensis
Binomial name
Sorbus sitchensis
Range of Sorbus sitchensis
Synonyms
  • Pyrus sitchensis (M.Roem.) Piper
  • Pyrus sambucifolia Bong.
  • Sorbus tilingii Gand.

Sorbus sitchensis, commonly known as western mountain ash[1] and Sitka mountain-ash, is a small species of shrub of north-western North America.

Description[edit]

A multi-stemmed shrub, it is endemic to north-western North America, from the Pacific coast of Alaska, to the mountains of Washington, Oregon and northern California and eastward to parts of Idaho and western Alberta and Montana. It is widespread in British Columbia.[2]

The otherwise similar Sorbus scopulina has yellow-green sharp-pointed leaflets that are sharply serrated over most of their length.

Winter buds
Not sticky with rusty hairs.
Leaves
Alternate, compound, six to ten inches long, Leaflets seven to ten, blue-green, lanceolate or long oval, with rounded tip, toothed usually from the middle to the end. In autumn they turn yellow, orange and red. Stipules leaf-like, caducous.
Flowers
After the leaves are fully grown, June through September.[3] White, small, 80 or fewer, borne in flat compound cymes three or four inches across.
Fruit
Berry-like pome, globular, one-quarter of an inch across, bright pinkish[4] red, borne in cymous clusters. They are enjoyed by the Richardson's grouse.[5]
Sorbus sitchensis fall foliage and fruit

Uses[edit]

While not choice eating, the fruits are consumed by some birds in winter.[6]

References[edit]

  1. ^ USDA, NRCS (n.d.). "Sorbus sitchensis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 24 November 2015.
  2. ^ Pojar, Jim; Andy MacKinnon (1994). Plants of the Pacific Northwest. Lone Pine Publishing. p. 71. ISBN 1-55105-042-0.
  3. ^ Sullivan, Steven. K. (2013). "Sorbus sitchensis". Wildflower Search. Retrieved 2013-03-17.
  4. ^ McAllister, H.A. 2005. The genus Sorbus: Mountain Ash and other Rowans . Kew Publishing.
  5. ^ Peattie, Donald Culross (1953). A Natural History of Western Trees. New York: Bonanza Books. p. 510.
  6. ^ Fagan, Damian (2019). Wildflowers of Oregon: A Field Guide to Over 400 Wildflowers, Trees, and Shrubs of the Coast, Cascades, and High Desert. Guilford, CT: FalconGuides. p. 90. ISBN 978-1-4930-3633-2. OCLC 1073035766.


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