Gomortega nitida.

Botanical name: 

Gomortega nitida Ruiz & Pav.

This is a large tree of Chile called queule or keule. The fruit is the size of a small peach; the eatable part is yellow, not very juicy, but is of a most excellent and grateful taste.

Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.