multicoloured flowers of a golden tickseed plant (coreopsis tinctoria)

flower plant yellow wildflower petal nature meadow prairie herb field sunflower daisy leaf pollen autumn multicoloured flowers golden tickseed coreopsis tinctoria plains garden calliopsis cultivated ornamental gardens natural landscaping drought-tolerant sun bud vibrant closeup natural asteraceae black bloom blooming blossom bright brown calliopsis colorful tinctoria detail field flora floral flower garden tickseed gold golden green leaf maroon multicolored ornamental outdoors petal coreopsis plant red spring summer sunflower vivid wildflowers