Sorbus scopulina
Western Mountain Ash
Leaf Top (11 leaflets)
Centre Block, Cypress Hills Interprovincial Park
26-June-2008
Both Budd's Flora and Flora of Alberta uses the number of leaflets to distinguish this species from others in the genus. However, the number of leaflets of S. Scopulina can vary from 9-13.
Scopulina: Answers to key questions in Budd's Flora (BF) and Flora of Alberta (FOA) leading to this genus.
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Sorbus: Answers to key questions in Budd's Flora (BF) and Flora of Alberta (FOA) leading to this genus.
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Rosaceae: Answers to key questions in Budd's Flora leading to this family. These answers do not apply to all members of the Rosaceae family, but they all do apply to this species.
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