a concise yet thorough textbook for students and practitioners of botanical medicine (e.g., medical herbalists, naturopaths, holistic practitioners, pharmacists, physicians). Using examples from commonly employed herbs, it explains concepts from phytochemistry and pharmacognosy that are important for understanding the characteristics and functions of botanical medicines. Illustrated with structure drawings, and written by an clinical herbalist with extensive training in botany and chemistry, this unique book brings together the wisdom of traditional practice and contemporary science. New in this edition are sections on Cannabis pharmacy; integration of current research; and expanded content in every chapter.