Duguetia longifolia.

Botanical name: 

Duguetia longifolia Baill. Anonaceae.

Guiana, Peru and Trinidad. The fruit is nearly round, as big as a Reinette apple, the surface divided by reticulated divisions, the skin thin, and the red, delicate, viscous flesh excellent and very agreeable. It is very much prized by the Caribs.

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