end of summer signalled by wilting sunflowers (helianthus annuus) on a sunny day

flower plant wildflower garden meadow field yellow sunflower nature petal leaf helianthus annuus annual forb daisy asteraceae summer wilting sunflowers sunny day botanical asteraceae black botany brown center circle close close-up closeup common sunflower countryside day dead head deadhead dry dying summer field flora foliage forb garden green helianthus annuus leaf meadow nature old flower outdoor outdoors plant round shapes rural seed stem sun sunlight sunny texture wilting blossom leaves petal