What kind of a tree do I have growing on my property?

[Splaker]

If it is one of these, you could go into business supplying the Chinese ;

Phellodendron amurense Rupr. is a species of tree in the family Rutaceae, commonly called the Amur cork tree. It is a major source of huáng bò, one of the 50 fundamental herbs used in traditional Chinese medicine. Wikipedia

LOL! That's one big market at 1.2 Billion!!