Verbena bonariensis, Buenos Aires verbena, is a species of dicotyledonous plants of the Verbenaceae family, native to tropical regions of South America.
It is a perennial herb up to 1.2 m tall, which has been introduced to various countries where it is grown for its flowers as an annual or perennial. It is classified in some areas of the United States as an invasive plant.
Un peu de verdure 