false sunflower with slender stem and yellow flower

amber and beautiful bloom blossom blossoming botany bright bud false flora florescence florets flower flowerbed flowers foliage garden gold green greenery head helianthoides heliopsis herbaceous inflorescence leaf lush nature ornamental outdoors oxeye park perennial petal pistil plant pollen rhizomatous rough slender smooth stamen stem summer sunflower vegetation vibrant yellow