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About 1,120 species of Syzygium have been recorded. Of these at least 158 have been recorded as having edible fruit. They mostly occur in Asia and Australia. They are often popular snack fruit.

A related group of plants are the Eugenia species, many of which previously used the now outdated names Syzygium. There are 1,011 species of Eugenia, of which 110 have been recorded as edible. The Eugenias occur in the Americas. These will be dealt with in a separate article.