common dogbane: North American perennial having pinkish flowers in loose cymes; used in folk medicine for pain or inflammation in joints
dogbane: any of several poisonous perennial plants of the genus Apocynum having acrid milky juice and bell-shaped white or pink flowers and a very bitter root
reserpine: antihypertensive consisting of an alkaloid extracted from the plant Rauwolfia serpentina (trade names Raudixin or Rau-Sed or Sandril or Serpasil)