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.
The leaves are bipinnate or tripinnate, with a feathery appearance, and green to strongly glaucous blue-green in colour. The flowers are yellow, with 4-5 petals, about 1 cm diameter, and borne in cymes. The fruit is a 4-5 lobed capsule, containing numerous seeds.
In a song named Her Ghost in the Fog by the black metal band, Cradle of Filth on their Midian album.
The progressive metal band Symphony X named a song "Absinthe and Rue" on their first album, Symphony X.
Many traditional English folk songs use rue to symbolise regret. Often it is paired with thyme - thyme used to symoblise virginity, and rue the regret supposed to follow its loss.