Apocynum

About

Apocynum, commonly known as dogbane or Indian hemp, is a small genus of the flowering plant family Apocynaceae. Its name comes from Ancient Greek ἀπόκυνον, from ἀπο- apo- "away" and κύων kyōn "dog", referring to dogbane, which was used to poison dogs. The genus is native to North America, temperate Asia, and southeastern Europe.

Summary from Wikipedia