Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to northern California, east to Alberta, Idaho, and Montana.
Habitat: Forest openings at mid- to high elevations in the mountains.
Flowers: June-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Erect, deciduous, several-stemmed shrub 1-4 m. tall, the young growth reddish soft-hairy, the older bark grayish-red.
Leaves pinnate; leaflets 7-11, dark green above and paler beneath, oblong-obovate, 2-5 cm. long, rounded at the tip, sharply serrate not more than half their length.
Inflorescence a round-topped panicle, 15-80 flowered; calyx glabrous, obconic, the 5 lobes triangular; petals 5, white, rhombic to oval, 4-5 mm. long; stamens 15-20; carpels 4-5, the styles 2-3 mm. long.
Fruit ellipsoid, fleshy, red but glaucous with a bluish cast, about 1 cm. long.
PNW Herbaria: Specimen records of Sorbus sitchensis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Sorbus sitchensis checklist entry
OregonFlora: Sorbus sitchensis information
E-Flora BC: Sorbus sitchensis atlas page
CalPhotos: Sorbus sitchensis photos