Sweet violet (Viola odorata) is documented in TIM literatures as a first choice for management of cancer. Cycloviolacin O2 (CyO2), a cyclotide from Viola odorata has anti tumor effects. This book contains useful information about botany, active ingredients, medicinal uses and in vitro propagation techniques for obtaining stock of elite sweet violet plants. This volume is recommended to researchers who interested in Medicinal Plants, Plant Biotechnology and Pharmacognosy.