Is the fruit 1–1½" long, nut shell with shallow grooves, leaves with 9–13 BLADES (sometimes as many as 19)?
CLUE: This tree is native to Arizona, New Mexico, and Colorado.

Is the fruit ½–¾" long, nut shell with deep grooves, leaves with 9–15 BLADES (sometimes as many as 17)?
CLUE: Tree is native to California.