Macroscopic and microscopic study of Datura stramonium, Azadirachta indica AND Bidens pilosa.
Datura stramonium, Azadirachta indica and Bidens pilosa, are herbal drugs of global importance used for the treatment of different ailments. At global, regional, national and local levels, the end users of these drugs face the problem of adulteration. Macroscopic and microscopic features of these plants were studied using basic techniques to help in identification of drugs, their constituents and any adulterants. This study contributes towards global recognition and acceptance of these plants as herbal drugs