Pentaclethra macrophylla.

Botanical name: 

Pentaclethra macrophylla Benth. Leguminosae.

Tropical Africa. A tree, known in Gabun as owala and in the Eboo country as opachalo. The seeds are eaten by the natives, who also extract a limpid oil from them.

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