Page authors: Ben Legler, David Giblin
Sorbus aucuparia
European mountain-ash

Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to Oregon, east to the Atlantic Coast.

Habitat: Forest edge, thickets, shorelines, and other generally moist areas where often disturbed.

Flowers: May-June

Origin: Introduced from Europe

Growth Duration: Perennial

Conservation Status: Not of concern


Small, deciduous, gray-barked tree with spreading branches, 5-12 m. tall, the young growth with soft, gray hairs.


Leaves pinnate; leaflets 11-15, oblong-lanceolate, pointed, 3-6 cm. long, finely and sharply serrate the full length.


Inflorescence a large, flat-topped panicle, with at least 75 flowers; calyx obconic, hairy, the 5 lobes triangular, persistent; petals 5, white, nearly orbicular, 4 mm. long; stamens 15-20, equaling the petals; carpels 3-4, the styles 2-3 mm. long.


Fruit globose, fleshy, bright red, pendulous, 10 mm. broad.

Accepted Name:
Sorbus aucuparia L.
Publication: Sp. Pl. 1: 477. 1753.

Synonyms & Misapplications:
Pyrus aucuparia (L.) Gaertn.
Additional Resources:

PNW Herbaria: Specimen records of Sorbus aucuparia in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Sorbus aucuparia checklist entry.

E-Flora BC: Sorbus aucuparia atlas page.

CalPhotos: Sorbus aucuparia photos.

USDA Plants: Sorbus aucuparia information.

9 photographs:
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