| Title:  Apocynum cannabinum Additional Names:  Canadian hemp;  American Indian hemp;  black Indian hemp;  Indian physic;  Indian dogbane Literature References:  Dried rhizome and roots of Apocynum cannabinum L., Apocynaceae.  Habit.  U.S.  Constit.  Cynotoxin, apocyncein, apocynin, cymarin, resin, tannin, bitter extractive, starch. NOTE:  Not to be confused with Apocynum androsaemifolium which has few of its properties. Therap-Cat:  Cardiotonic.  |