yellow jussiaea grandiflora blooming in a field near a paddy field

petal leaf flora green nature perennial water yellow blooming blossom plant aquatic ludwigia grandiflora onagraceae pool beauty botanic grass herbaceous invasive macro pond willow flower beautiful bloom garden lake spring exotic jussiaea hirta macrocarpa mollis peruviana large primrose naturalised onagracees proliferation uruguay purslane waterland close botanical field rice plants still turned paddy