Apocynum x floribundum Greene (pro sp.)
Family: Apocynaceae
hybrid dogbane,  more...
[Apocynum jonesii Woodson,  more]
Apocynum x floribundum image
from USDA Plants website  
Etymology: Apocynum: from the Greek for "away from dog," i.e. noxious to dogs, in reference to its ancient use as a dog poison, hence dogbane
Plants: erect, perennial forb
Conservation Status: Native
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