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). 

lippia citriodoria
Aloysia citrodora