1. North American perennial having pinkish flowers in loose cymes; used in folk medicine for pain or inflammation in joints • Syn: common dogbane, spreading dogbane, Apocynum androsaemifolium • Hypernyms: dogbane 2. Canadian dogbane yielding a tough fiber used as cordage by Native Americans; used in folk medicine for pain or inflammation in joints • Syn: Indian hemp, Apocynum cannabinum • Hypernyms: dogbane