Ayurveda is the ancient knowledge of scientific system of Indian medicine. This medicinal system incorpo-rates the use of Dravyas –medicinal plants, which proved to be an effective means of human care in the pre and post Vedic periods. One among many such plants is Devadaru. Etymologically the word 'Devada-ru' itself personify the plant as 'Devta' or divine tree, because it provides environment with solitude and its medicinal values. To explore more about Devadaru pharmacognostical study of

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... bark was conducted. To authenticate the sample of Devadaru, comparison of organoleptic characteristics of stem bark and its powder was done which reveals that stem bark has some aromatic compounds. Based on organoleptic characteristics obtained and microscopic observations, genuineness of the raw material was authenticated. The microscopic study of cut sections and powder of stem bark was done. The observations could be con-sidered to be the reference standards in future studies and will be of immense help in standardization of Ayurvedic medicines to meet the international parameters.