Page author: David Giblin
Amelanchier alnifolia
saskatoon, Cusick's serviceberry, dwarf serviceberry, humptulips western serviceberry, Saskatoon serviceberry
WTU specimens
Other herbaria

Distribution: Occurring throughout Washington; Alaska to California, east to the Dakotas and New Mexico.

Habitat: Open woods, canyons and hillsides, sea level to subalpine.

Flowers: April-July

Origin: Native

Conservation Status: Not of concern

Description:
General:

Low and spreading shrubs to small trees, mostly 1-5 m. tall, the young branches reddish-brown, eventually gray barked.

Leaves:

Leaves with slender petioles 10-20 mm. long, the blades oval to oblong, 2-4 cm. long and from to nearly as broad, wedge-shaped to sub-cordate at the base, rounded at the tip, usually gray-pubescent on the lower surface.

Flowers:

Flowers 3-20 in short racemes, the lowest from leaf axils, the upper from gray bracts; pedicels slender, ascending, 5-10 mm. long; calyx lobes 5, triangular, 1.5-3.5 mm. long; petals 5, white, linear to linear-oblanceolate, 10-20 mm. long and 2-6 mm. broad; stamens 12-20; styles usually 5.

Fruits:

Ovary inferior; fruit globose, often glaucous, dark purplish, juicy, 10-14 mm. long.

Accepted Name:
Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem.

Synonyms & Misapplications:
Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. cusickii (Fernald) C.L. Hitchc. [HC]
Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. florida Schneid.
Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. humptulipensis (G.N. Jones) C.L. Hitchc. [HC]
Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. pumila (Torr. & A. Gray) C.K. Schneid. [HC]
Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. semiintegrifolia (Hook.) C.L. Hitchc. [HC]
Amelanchier basalticola Piper
Amelanchier canadensis (L.) Medik. var. pumila Torr. & A. Gray
Amelanchier canadensis var. semiintegrifolia Farw.
Amelanchier cuneata Piper
Amelanchier cusickii Fernald [FNA9]
Amelanchier ephemerotricha Suksd.
Amelanchier ephemerotricha Suksd. var. silvicola Suksd.
Amelanchier florida Lindl.
Amelanchier florida Lindl. f. tomentosa Sealy
Amelanchier florida Lindl. var. cusickii (Fernald) M. Peck
Amelanchier florida Lindl. var. humptulipensis G.N. Jones
Amelanchier florida Lindl. var. parvifolia Loud
Amelanchier gormani Greene
Amelanchier ovalis Medik. var. semiintegrifolia Hook.
Amelanchier oxyodon Koehne
Amelanchier parvifolia Hort. ex. Loud Arb & frut.
Amelanchier polycarpa Greene
Amelanchier pumila (Torr. & A. Gray) Nutt. ex M. Roem.
Amelanchier vestita Suksd.
Additional Resources:

PNW Herbaria: Specimen records of Amelanchier alnifolia in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Amelanchier alnifolia checklist entry.

E-Flora BC: Amelanchier alnifolia atlas page.

CalPhotos: Amelanchier alnifolia photos.

USDA Plants: Amelanchier alnifolia information.

133 photographs:
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