oenothera biennis common evening primrose yellow flowers in meadow

alternative biennis bloom blossom blossoming botanical botany closeup color cosmetology day drops evening eveningprimrose flora floral flower flowering flowers focus garden gardening herbal inflorescence macro macrophotography meadow medical medicinal medicine natural nature oenothera outdoor perennial petals plant pollen primrose selective stamen star summer sundrop water wildflower yellow