PHARMACOGNOSTICAL STANDARDIZATION OF ROOTS AND RHIZOMES OF COLLINSONIA CANADENSIS

Collinsonia canadensis is a perennial medicinal herb in the mint family. Common names include Canada Horsebalm, Richweed, Hardhack, Heal-All, Horseweed, Ox-Balm and Stoneroot. Traditionally the roots and rhizomes of the plant are used for various diseases. The pharmacognostical study and parameters related to physicochemical properties of plant including macroscopy, microscopy(transeverse section and powder microscopy), quantitative studies, foreign matter, ash values, extractive values, loss on drying have been assessed for roots and rhizomes of the plant as no work was done on standardization of plant. In a view to standardized the plant this study was carried out.