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Prefers calcareous substrate. Occurs on bluff slopes near Lake Michigan.
Newfoundland west to AK, south to NY, northern IN, SD, and AZ.
Deciduous shrub to 3 m; unarmed. Leaves opposite, green and nearly glabrous above, whitish below, ovate to lanceolate, obtuse to subcordate at the base. Dioecous. Flowers in small clusters on the growth of the previous season; stamens 8. Fruit red or yellow, 6-9 mm, bitter.
Flowers April to May
Wetland indicator: Upland
Very rare in the Chicago region, only occurring very close to the shore of Lake Michigan.
Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of
Northeastern United States
and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY
Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.
University of Wisconsin - Stevens Point Freckmann Herbarium. Shepherdia canadensis.
Michael Hough © 2009