wild sunflower or tithonia diversifolia yellow flower

flower yellow plant nature meadow wildflower field sunlight prairie grass leaf green petal autumn grassland sky blossom wild sunflower tithonia diversifolia flowers blue background fields wild sunflower tithonia diversifolia tree marigold mexican tournesol japanese nitobe chrysanthemum rudbeckia hirta heliopsis arnica black eyed susan yellow blue sky background flower garden field nature plant flora beauty macro petal floral bright leaf magnificent scenery outside botany meadow annuus asteraceae fulgida helianthoides helianthus bush grassland prairie sunlight