Pharmacognosy, Medicinal Plants and Natural Products

Ethnopharmacognosy

It includes the study of traditional concepts or methods for distinguishing between various plant parts such as bark, leaves, seeds, tubers, etc. and indigenous ways of distinction, if any, between the quality of such products from collections indifferent seasons or situations.

Ethnopharmacology (occasionally also called ethnopharmacy) is a related study of      ethnic groups and their use of drugs. It is distinctly linked to medicinal plant use, ethnobotany, as this is the main delivery of pharmaceuticals.

Ethnomedicine is a study or comparison of the traditional medicine practiced by various ethnic groups, and especially by indigenous peoples. The word ethnomedicine is sometimes used as a synonym for traditional medicine.