Balanites aegyptica.

Botanical name: 

Balanites aegyptica Delile. Simarubaceae. Zachun-Oil Tree.

Northern Africa, Arabia and Palestine. A shrubby, thorny bush of the southern border of the Sahara from the Atlantic to Hindustan. It is called in equatorial Africa m'choonchoo; the edible drupe tastes like an intensely bitter date.

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