Clethra tinifolia.

Botanical name: 

Clethra tinifolia Sw. Ericaceae. Soap-Wood. Sweet Pepper. Wild Pear.

Tropical America, Jamaica and southern Brazil. In Jamaica the trees bear a green, roundish berry of which the pulp is sweet, white, mealy and includes a hard, brownish-black stone. These berries are gathered and eaten as a pleasant dessert.

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