yellow tansy flowers close up

plant flower yellow wildflower produce herb food meadow prairie vegetable field shrub crop petal blossom grassland sunflower botany close-up environment growth inflorescence medicine nature organic pharmacy pollen small tansy summer uncultivated head season healthcare herbal background bitter bloom blossoming botanical cow flowers floral golden buttons grow growing health healthy herbaceous homeopathic homeopathy macro medical medication medicinal natural oil perennial tanacetum tansies tea tiny top vulgare close