''Fraxinus papillosa'', the Chihuahuan ash, is a species of flowering plant in the family

Oleaceae Oleaceae, also known as the olive family, is a taxonomic family of flowering shrubs, trees, and a few lianas in the order Lamiales, It presently comprises 28 genera, one of which is recently extinct.Peter S. Green. 2004. "Oleaceae". pages 296-30 ...

, native to the deserts of Mexico and the southwestern United States. A small tree, it usually is found growing in canyon bottoms and on north-facing slopes.

References

papillosa Flora of Arizona Flora of the South-Central United States Flora of Northwestern Mexico Flora of Northeastern Mexico Flora of Southwestern Mexico Plants described in 1907 {{Oleaceae-stub