| a plant, Aloysia triphylla, having long, slender leaves with a lemonlike fragrance. |
| lemon verbena n. An aromatic shrub (Aloysia triphylla) native to Argentina and Chile, cultivated for its fragrant foliage and flowers. |
lemon verbena
(Aloysia citriodora or Lippia citriodora), tropical perennial shrub belonging to the family Verbenaceae, originating in Argentina and Chile. Growing more than 3 metres (10 feet) high in warm climates, it is also grown as a potted plant reaching a height of about 25.4 cm (10 inches)
Learn more about lemon verbena with a free trial on Britannica.com.