verbena bonariensis, the purpletop vervain

flower plant wildflower herb shrub produce blossom garden lilac petal meadow food nature leaf vegetable branch evergreen argentinian vervain background beauty bloom blooming bonariensis botany bud closeup clustertop color colorful detail field flora floral fresh gardening growth landscape lolipop natural officinalis preety pretty purple purpletop season spring summer tall verbena violet member family