Aloysia citrodora is a species of flowering plant in the verbena family Verbenaceae, native to South America. Common names include lemon verbena and lemon beebrush. It is a stomachic and therefore good for relieving indigestion, heartburn, and for tonifying the digestive tract. It is also great for soothing anxiety and as a sedative it is helpful in insomnia. Lemon verbena leaves can be made into a delicious and refreshing tea.