verbena bonariensis (argentinian vervain or purpletop vervain, clustertop vervain, tall verbena, pretty verbena).

background beautiful beauty bloom blooming blossom bonariensis botanical botany chiang mai chiangmai closeup color colorful detail field flora floral flower fresh garden gardening green growth landscape leaf macro mae rim mon jam natural nature park petal plant pretty purple flowers season small spring summer thailand travel verbena vervain violet argentinian purpletop clustertop tall vintage blurred soft