Pharmacognostic characteristics and phytochemical profile of various parts of Parthenium hysterophorus

Parthenium hysterophorus L. (Congress grass, family Asteraceae) is found throughout the global agricultural and vacant lands. In the present work, the pharmacognostic, pharmacological and allelopathic traits of various parts (root, stem and leaves) of P. hysterophorus grown in Pakistan were investigated. P. hysterophorus growing/flowering season starts from March–April till August–September. The plant has tap root with numerous rootlets and root...