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As a country, Mexico presents an especially wide range of fruit germplasm diversity. Tepexi de Rodriguez, Puebla, Mexico, belongs to The Tehuacan-Cuicatlan Valley, which is an arid zone recognized to have a flora diversity. In that place, wild plum (Ximenia americana L. var. americana; Olacaceae), locally named "tihuixocote" grows mainly in backyards, the fruit of this species is appreciated by native people due to its taste, which is reported to be a mixture between sweet and sour. Fruit from 15 trees were characterized by measuring bio-physical and bio-chemical parameters, including weight, diameter (equatorial and polar), relationship equatorial/polar diameters, total sugar, soluble solid content and phenolic compounds. The results of this study indicate variability for these various wild plum fruit characteristics among trees growing in a reduced territorial space.