Citrus aurantiifolia or commonly known as Lime, Key Lime, Mexican Lime, or Mexican Thornless Key Lime is small evergreen tree found in tropical Asia. It grows up to 5 m tall and it has dense and irregular branches, spiny twigs, small, dark green leaves, and yellowish white flowers. The fruit is thin-skinned, juicy, very acid, and fragrant. It is eaten raw or cooked, used as flavouring, or made into jellies, juices, jams, or marmalades. In Persian cuisine, it is dried and used in cooking.