Are the leaf BLADES 2-21/2" long, with pointed, angled tips; the seeds 1/2-3/4" long? 

CLUE: this tree is not native to the West. 

It is a Kentucky coffeetree.

Yes
- OR -

Are the leaf BLADES 1/2-2" long, with rounded tips; the seeds 1/3" long or less?

Yes