This book provides a comprehensive overview of medicinal plants and their interaction with abiotic stress in terms of morphological, physiological, biochemical, and molecular variations, and explains the adaptation and tolerance mechanisms involved. It presents various mechanisms that become operative in medicinal plants to combat stressful situations. The book discusses the secondary metabolites and/or bioactive compounds produced in medicinal plants under abiotic stress conditions, and the use of biostimulants and/or phytoprotectants to alleviate the adverse effects of abiotic stresses on...