a plant with yellow flowers whose bitter-tasting leaves were used mostly in herbal cures but occasionally in salads. Gerard notes that "the juice of Rue made hot in the rinde of a pomegranat and dropped into the eares, takes away the pain thereof."
Rue (Ruta) is a genus of strongly scented evergreen subshrubs 20-60 cm tall, in the family Rutaceae, native to the Mediterranean region, Macaronesia and southwest Asia. Different authors accept between 8-40 species in the genus. The most well-known species is the Common Rue.
A volatile oil which contains limonene. Completely safe way to deter insects. For centuries, the herb rue has been used in households to deter flies and ants in such things as arrangements, wreathes and potpourri.