Anise essential oil is a dainty, white-flowered umbelliferous annual herb that s grown up to 18 inches excessive and has secondary feather-like leaflets of shiny green shade. Anise plant is also referred to as aniseed and binomially recognized as Pimpinella anisum.Anise oil is used to loosen up nerves of a tense particular person and helps in calming of a tension of the people.