Please help me to see what kind of fruit this is. Can I eat? thank you

Alias:? Fenjin river pear

Latin scientific name: Eugenia? uniflora？ length

Family and genus: Myrtaceae, Prunus?

Plant species:? Evergreen shrubs or small trees

Origin: Brazil

Ornamental application: ornamental plants, elegant and lovely fruits, like small lanterns, can be potted. The fruit is sweet and sour and can be eaten raw or made into sugar.

Morphological characteristics:

Up to 5 meters, the whole plant is hairless. Leaves are as big as leather and nails. From bud to adult leaves, the color of leaves changes from red to green. They are colorful and flourishing. After pruning, they have a spherical crown. The fruit is distinctive, ovoid to ovoid-lanceolate, 3.2-4.2 cm long and 2.3-3 cm wide. The upper layer is bright in color, the lower layer is light in color, two flower faces are hairless and there are countless transparent glands. Flowers are white, slightly fragrant, solitary or clustered in leaf axils, shorter than leaves, sepals 4, everted. Fruits are more distinctive. Berries are spherical, with a diameter of 1-2 cm and ribs of 8- 10. Deep red when ripe, delicious and nutritious. Red fruit is a high-grade garden tree species, which is very popular in southern China. Campus is often used as roadside ornamental plants.