close up of yellow sunflower helianthus annuus bloom and green leaves contrasting with blue sky before fading in autumn

annuus autumn background beautiful beauty bee bloom blossom blue bright brown brafrac14 ggen change close closup colorful colors contrasting dry faded fading field flora flower flowers germany green helianthus hope isolated leaf leaves macro mortality natural nature orange petal plant pollen pollination scene scenic season seasons seeds sky sunflower sunflowers sunny view wild withered yellow