small white yarrow flowers, overhead view on a green bokeh background

achillea azulene background bitter bloodwort bloom blooming bokeh botanical botany chromophore decorative detail disk medicinal essential flower flowers focus garden gardening gardens green gruit herb herbaceous inflorescence ingredient life liquor medicine millefolium nature oil ornamental overhead perennial plant proazulenes ray selective small tootache traditional view white wild wildflower wildflowers yarrow