verbena, vervain or verveine, is a genus in the family verbenaceae

anther arboretum argentina argentinian bloom blossom bonariensis botanical botany bud bunch close closeup cluster top filament floral flower garden green head horticulture leaf lilac macro natural nature officinalis panoramic patagonica petal pistil plant pollen pretty purple stamen stigma swiss switzerland tall verbena verbenaceae vervain verveine violet genus family 150 species annual perennial herbaceous semiwoody flowering plants