oenothera biennis, the common evening-primrose

flower plant sky yellow tree leaf sunlight grass nature branch green blue field wildflower meadow prairie wind cloud all background beautiful beauty biennis blooming bright closeup color common evening primrose cure cure-all drop environment evening-primrose fever fever-plant flora fresh freshness garden german growth hog weed king king#39aph39#s kings macro natural oenothera onagraceae outdoor rampion season star sun sundrop weedy species flowering family