Bursera odorata:

Bursera odorata  is a species of flowering plant in the family Burseraceae known by the common names torchwood copal and fragrant bursera. It is almost indistinguishable from Bursera fagaroides, a key difference being the smell of its resin.

It is widespread across much of Mexico from Sonora to Oaxaca, and its range extends just into Arizona.