Ruellia patula, Luffa aegyptiaca and Thunbergia ala ta are luxuriant and dominant growing herbs on the road sides and on waste lands. The present study deals with th e comparative phytochemical analysis of the ethyl a cetate, ethanol and ethanol water mixture extracts of arial parts of these plants. It was found that some phyt ochemicals were plant specific whereas some are extract specif ic. The absence of Amino acids, proteins, and flavo noids was detected in all extracts of all the three plants. O ther phytochemicals like steroids, saponins, terpen oids, glycosides etc. were plant specific and extract specific.