Type: Citrus aurantium var. amara L.
Family: Rutaceae
Other names: Azahar, bigardio

Dark, green and hard leaves contain much essential oil. In this connection the bitter orange gained the first place as the source of aromatic extracts between 15 known types of citrus plants.

Bitter orange is the source of many products, such as:
- essence Neroli,
- essence Petit Grain,
- "Agua de azahar",
- "Licor de curacao",
- jams,
- infusions.