**8. Conclusions**

Plants have been the mainstay for the treatment of diseases all over the world before the development of conventional medicines. The interest in the therapeutic uses of plants have been revived due to obvious reasons such as their safety, availability, and affordability as well as their efficacy. Research on medicinal plant have provided evidences for their use, and further studies in order to isolate the active constituents and also to test them in clinical studies is important for the development of new pharmacotherapies for psychosis.
