Olneya tesota.

Botanical name: 

Olneya tesota A. Gray. Leguminosae. Ironwood. Olneya.

Mexico. This tree grows in the most desolate and rocky parts of Arizona and Sonora. The seeds are eaten raw or roasted by the Indians. When care is taken to parch them they equal peanuts with no perceptible difference in taste. The Mohave Indians of Arizona store them for winter use.

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