Investigation on three different species of Wedelia from Tamilnadu and Andaman Nicobar Islands

Comparative studies on three different species of Wedelia from Tamilnadu and Andaman Nicobar Islands have been carried out for their growth performance, Active constituents, Preliminary phytochemical screening of entire plants, extraction of essential oil, extractive values, [alcohol and water soluble]. Ash values [Total ash, Acid insoluble ash, Sulphated ash, water and insoluble ash]. Microscopical evaluation [like vein islet and vein termination number, stomatal number, stomatal index] and fluorescence analysis were also performed