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Similar Apocynum, Gentianales, Apocynum androsaemifolium, Apocynum cannabinum, Apocynum venetum | ||
Apocynum × floribundum, the intermediate dogbane, is a member of family Apocynaceae. It is widespread across Canada, the United States, and northern Mexico.
Intermediate dogbane is believed to be of hybrid origin because its characteristics are intermediate between A. cannabinum (Dogbane) and A. androsaemifolium (Spreading dogbane).
References
Apocynum × floribundum Wikipedia(Text) CC BY-SA