This document lists and provides brief descriptions of several medicinal plants and substances. It discusses plants such as ashwagandha, belladonna, periwinkle, ipecac, and piper species. It also mentions substances like guggul, aloe, forskohlii, senna, opium poppy, taxus, and ginseng. For some it provides the plant family and uses such as treatment of heart conditions, tumors, asthma, and as an aphrodisiac or sedative. Active chemical compounds are identified for some plants like foxglove and ephedra.