Myrciaria leucadendron

About

Myrciaria floribunda, commonly known as cambuizeiro, guavaberry or rumberry, is a species of plant in the family Myrtaceae. It can be found across South and Central America and the West Indies in dry or moist coastal woodlands, up to 300 metres above sea level. The guavaberry, which should not be confused with the guava, is a close relative of camu camu.

Summary from Wikipedia