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'''''Sorbus sitchensis''''', also known as '''Sitka Mountain |
'''''Sorbus sitchensis''''', also known as '''Sitka Mountain Ash''', is a small [[shrub]] of the western United States. |
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==Description== |
==Description== |
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Revision as of 17:51, 11 October 2008
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| Sorbus sitchensis fall foliage and fruit | |
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| Species: | S. sitchensis
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| Sorbus sitchensis | |
Sorbus sitchensis, also known as Sitka Mountain Ash, is a small shrub of the western United States.
Description
A multistemed shrub, it is indigenous to the Pacific Coast of the North America from Alaska to northern California and eastward to Idaho and western Montana.[1]
The otherwise similar Sorbus scopulina has yellow-green sharp-pointed leaflets that are sharply pointed 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 full grown. 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 red, borne in cymous clusters.
References
Wikimedia Commons has media related to Sorbus sitchensis.
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