Crotalaria verrucosa (blue rattlepod) is a species of flowering plant in the legume family, Fabaceae. This shrub belongs to the sub family Faboideae. The herb found in Bangladesh, China, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Philippines, Sri Lanka, Thailand, Vietnam; Australasia and Africa and Americas regions. Crotalaria verrucosa is a perennial shrub that grows to about 50 to 100 cm in height.