Triphasia trifolia (syn. Limonia trifolia Burm. f., Triphasia aurantiola Lour.; also called limeberry, lime berry, "sweet lime" or limoncitong kastila) is a species of Triphasia in the family Rutaceae, native to tropical southeastern Asia, especially in Indonesian islands and Philippines and possibly elsewhere.

Triphasias are very close relatives of citrus.

...