Herbal medicine has many active constituents for many diseases but the proper knowledge must be necessary for the preparationof herbal formulation otherwise active constituents will be damaged. Leonotis nepetifolia (L.) is recognized to be native to tropical Africa and southern India. In South Africa and the West Indies it is known as klip dagga, lion’s ear, Christmas, and candlesticks. Roots of the plant have been used in the treatment of asthma and bronchitis, fever, and poisoning whereas seeds are recognized in treating burns, and the whole plant is used for menstrual pains. Present investigation includes examination of morphological and microscopic characters; ash value, extractive values and phytochemical evaluations of various root extract. The purpose of research work to generated information of the standardization parameters of selected plant which helps in herbal formulations, a profound knowledge of the important herbs found in India and widely used in Ayurvedic formulation is of utmost importance.