Family = Apocynaceae, Genus = Apocynum, Species = androsaemifolium, including synonyms,
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|Apocynum androsaemifolium (spreading dogbane)
(= Apocynum androsaemifolium vars. androsaemifolium, pumilum in Flora of the Pacific Northwest)
Perennial herbs with milky juice, the freely-branched stems 2-5 dm. tall, glabrous to white-woolly.
Distribution: Throughout Washington and much of Canada and the United States
Habitat: Common on rather dry soil in open areas from low to fairly high elevations
WA Native Plant Society