from sacredsucculents.com
Eugenia myrcianthes “Ubajai”
Myrtaceae. Small willow-like tree to 15-25′. Pendulous branches, simple glossy leaves, pubescent when young. White flowers and apricot size edible fruit. The flavor of the fruit is excellent when still pale yellow but becomes insipid upon turning a dark yellow/orange. Native to the Rio Plata region, Brazil. Easy to grow ornamental/edible, mature trees tolerant of mild frost. Z9b
Apparently picking the fruit at the right time is the key- insipid fruit is not likely to entertain anyones palette