The rose apple (Syzyygium jambos Alston). Like many other fruits to which the word "apple" has been attached, the rose apple in no way resembles an apple, neither in the tree nor in its fruit. It is a member of the myrtle family, Myrtaceae, and is technically known as Syzygium jambos Alston (syn. Eugenia jambos L.; Jambosa jambos Millsp.; Jambosa vulgaris DC.; Caryophyllus jambos Stokes).