Amelanchier alnifolia (Saskatoon)

Plate 1 figs. a–g

Amelanchier alnifolia, photographed by mfeaver — fig. a mfeaver, CC BY 4.0 / 2022-06-12 / obs. 205624969

Amelanchier alnifolia, photographed by Sean Frey — fig. b Sean Frey, CC BY 4.0 / obs. 204246821

Amelanchier alnifolia, photographed by Carol Ann Vermeer — fig. c Carol Ann Vermeer, CC BY 4.0 / obs. 205053484

Amelanchier alnifolia, photographed by Shane Johnson — fig. d Shane Johnson, CC0 1.0 / obs. 204750128

Amelanchier alnifolia, photographed by Braden J. Judson — fig. e Braden J. Judson, CC0 1.0 / obs. 205920417

Amelanchier alnifolia, photographed by Jens-Christian Svenning — fig. g Jens-Christian Svenning, CC BY 4.0 / obs. 204028788

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

Confused withby our own model

These are not lookalikes we guessed at. Each one is a species our identification model genuinely mistook for this plant, and how many times. The error rate is published.

Prunus virginianacalled this one 3x compare

Flowering n = 3,779 observations

956

1954

757

Flowering observations of Amelanchier alnifolia by month
Month	Observations
Jan	2
Feb	1
Mar	32
Apr	956
May	1954
Jun	757
Jul	63
Aug	4
Sep	5
Oct	4
Nov	1
Dec	0

Peak flowering in May, from 3,779 community-annotated observations worldwide. This is a global aggregate, not a forecast for your garden: the same species flowers on different dates in different hemispheres, and citizen-science records cluster near cities, at weekends, and in spring. Where a species has fewer than 30 annotated records we do not draw this chart at all.

Also published as 39 synonyms

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

Amelanchier alnifolia (Nutt.) Nutt.
Amelanchier alnifolia f. alba E.L.Nielsen
Amelanchier alnifolia f. alnifolia
Amelanchier alnifolia subsp. florida (Lindl.) Hultén
Amelanchier alnifolia subsp. siskiyouensis (C.K.Schneid.) A.E.Murray
Amelanchier alnifolia subsp. subintegra (Greene) A.E.Murray
Amelanchier alnifolia var. cuyamacensis Munz
Amelanchier alnifolia var. dakotensis E.L.Nielsen
Amelanchier alnifolia var. florida (Lindl.) C.K.Schneid.
Amelanchier alnifolia var. humptulipensis (G.N.Jones) C.L.Hitchc.
Amelanchier alnifolia var. siskiyouensis (C.K.Schneid.) Jeps.
Amelanchier alnifolia var. subintegra (Greene) Jeps.
Amelanchier alnifolia var. typica C.K.Schneid.
Amelanchier canadensis var. alnifolia (Nutt.) Torr. & A.Gray
Amelanchier canadensis var. pumila Nutt.
Amelanchier carrii Rydb.
Amelanchier cuneata Piper
Amelanchier diversifolia var. alnifolia (Nutt.) Torr.
Amelanchier ephemerotricha Suksd.
Amelanchier ephemerotricha var. silvicola Suksd.
Amelanchier florida Lindl.
Amelanchier florida f. tomentosa Sealy
Amelanchier florida var. humptulipensis G.N.Jones
Amelanchier florida var. parvifolia Loudon

and 15 more.

Sourcesevery claim on this page

World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.

We publish what we can source and we say so when we cannot. This page has no care advice, no toxicity claim and no native range, because we do not yet have those from a source we can cite.