Sorbus sitchensis: Difference between revisions
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==Description== |
==Description== |
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A multistemmed shrub, it is [[Endemism|endemic]] to northwestern [[North America]], from the [[Pacific Ocean|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 | |
A multistemmed shrub, it is [[Endemism|endemic]] to northwestern [[North America]], from the [[Pacific Ocean|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> |
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[[Image:Sorbus_sitchensis_26638.JPG|left|thumb|''Sorbus sitchensis'' fall foliage and fruit]] |
[[Image:Sorbus_sitchensis_26638.JPG|left|thumb|''Sorbus sitchensis'' fall foliage and fruit]] |
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[[Image:Sorbus sitchensis range map.png|200px|thumb|left|Natural range]] |
[[Image:Sorbus sitchensis range map.png|200px|thumb|left|Natural range]] |
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==References== |
==References== |
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{{Commons}} |
{{Commons}} |
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{{reflist}} |
{{reflist}} |
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[[Category:Sorbus|sitchensis]] |
[[Category:Sorbus|sitchensis]] |
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Revision as of 08:40, 18 December 2015
| Sitka mountain-ash | |
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| Sorbus sitchensis flower cymes | |
| Scientific classification | |
| Kingdom: | |
| (unranked): | |
| (unranked): | |
| (unranked): | |
| Order: | |
| Family: | |
| Genus: | |
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| Section: | Tianshanicae[1]
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| Species: | S. sitchensis
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| Binomial name | |
| Sorbus sitchensis | |
Sorbus sitchensis, also known as western mountain ash[2] and Sitka mountain-ash, is a small shrub of northwestern North America.
Description
A multistemmed shrub, it is endemic to northwestern 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.[3]
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.[4] 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[1] red, borne in cymous clusters.
References
Wikimedia Commons has media related to Sorbus sitchensis.
- ^ a b McAllister, H.A. 2005. The genus Sorbus: Mountain Ash and other Rowans . Kew Publishing.
- ^ USDA, NRCS (n.d.). "Sorbus sitchensis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 24 November 2015.
- ^ Pojar, Jim; Andy MacKinnon (1994). Plants of the Pacific Northwest. Lone Pine Publishing. p. 71. ISBN 1-55105-042-0.
- ^ Sullivan, Steven. K. (2013). "Sorbus sitchensis". Wildflower Search. Retrieved 2013-03-17.
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