, also known as Sitka Mountain Ash
, is a small shrub
of the western United States.
A multistemed shrub, it is indigenous to the Pacific Coast
of the North America
to northern California
and eastward to Idaho
and western Montana
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.