Plantain; this medicinal weed used world wide as food and treatment of many diseases. Its great fame stemmed ten centuries ago from its use as a treatment of wounds, when its anti-bleeding and anti-infection properties were discovered. In Egypt P. major has a wide rang of distribution specially in the Nile Delta. Growth pattern of P. major for several trends e.g. morphological traits, biomass allocation; environmental variables (soil); and biochemical analysis are evaluated in Damietta region. Quantification of floristic features; differences in phenotypic plasticity; and edaphic variables...