Shrub Species of the World's Boreal Forests

World Boreal Trees

Terminology | Pictorial

Sorbus sitchensis
Sitka Mountain Ash
Rosaceae (Rose Family)


Sitka Mountain Ash Distinguishing Features - Leaves: alternate, simple, with paired stipules. Flowers: small to large, bisexual, usually regular, sometimes slightly irregular, generally with a cuplike base bearing 5 sepals, 5 petals, and many separate stamens, and with single to many simple pistils or single compound pistil. Fruit: drupe.


Native to western British Columbia and Pacific northwest; in moist soil conditions.


The Sitka Mountain Ash belongs to the family Rosaceae which includes approximately 2000 species of trees, shrubs, and herbs around the world.

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