Syzygium fibrosum is a species of rainforest trees native to monsoon forests of Indonesia, Papua New Guinea, and Australia.
Leaves are opposite, smooth, leathery, elliptic, 5.5–11 cm long and 3.5–55 cm wide. The flowers are cream with numerous stamens. The pink or red fruit has a flattened globular shape and are about 2 cm wide, containing a singular seed.
The tree is cultivated to a limited extent for its sour fruit, which are used in jams and confectionary.
Thanks to wikipedia.org