close-up of blossoms of the patagonian vervain (verbena bonariensis

vervain verbena bonariensis sunshine sunny sun summer stem red purpletop purple portrait pollution pink pieris petals pesticide pennisetum patagonian officialis nature macro large herbofthecross green garden fountaingrass flower environmentalism environmental environment ecosystem economic diversity detailed colors colorful closeup chinese blurry blossom biological background achillea millefolium alopecuroides