Aloysia citrodora, lemon verbena, is a species of flowering plant in the verbena family Verbenaceae, native to South America. Other common names include lemon beebrush. It was brought to Europe by the Spanish and the Portuguese in the 17th century and cultivated for its oil
Lemon Verbena Oil (aromatherapy)
True Verbena Oil is a pale yellow to yellow or olivegreenish colored, mobile liquid with an intensely fresh, lemon-like odor which slowly changes into a sweet, almost fruity bodynote and fades out almost unchanged, sweet floral-fruity, slightly rosy.
Arctander, Steffen . Perfume and Flavor Materials of Natural Origin (p. 748).