beautiful purple purpletop vervain (verbena bonariensis) flowers in garden. verbena bonariensis has tall, narrow, sparsely-leafed

verbena purple summer flower plant bonariensis garden nature color beautiful vervain background green blossom beauty blooming closeup small floral bloom flora pretty botany tall pink violet colorful field lilac spring purpletop light fresh growth petal landscape clustertop tranquil scene detail flowers lollipop