eceng gondok or common water hyacinth.

ecosystem growth petal pond problem purple violet botanical foliage species surface wallpaper blooming freshwater tropical wildflower biomass color flora floral flower green lake leaves nature pink top view water background beautiful bloom blossom closeup natural organic outdoor plant rainy season river aquatic common duckweeds hyacinth cow food eichhornia crassipes invasive plants pontederia weed terror bengal gardens flowers meadows