''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