A small genus of perennial herbaceous plants, with poisonous milky juice, bearing slender pods pods in pairs.

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

A large shrubby herb ( Apocynum androsæmifolium) of dry, open places. Look for it near portages and campsites. The Greco-Latin name translates crudely as "the dogbane with leaves resembling the plant which is named for its juices the color of human blood". The sap of the dogbane is milky white. Go figure.