yellow and brown bi-colour flowers of a golden tickseed plant (coreopsis tinctoria)

flower plant yellow wildflower petal nature meadow herb field prairie sunflower daisy pollen brown bi-colour flowers golden tickseed coreopsis tinctoria blurred background sunny nature asteraceae black bloom blooming blossom bright brown bud calliopsis closeup colorful tinctoria detail field flora floral flower garden garden tickseed gold golden green leaf maroon multicolored natural ornamental outdoors petal plains coreopsis plant red sunflower vibrant vivid wildflowers yellow autumn winter