What kind of tree is this?

[StonyGarden]

The leaf


The green nuts/fruit


This is the 'dried' nuts/fruit

 

[Ridgerunner]

Google some images of royal empress tree leaf and seed.

 

[journey11]

I was just about to ask if it had purple flowers in the spring. I think Ridgerunner may have called it.

 

[catjac1975]

are those horse chestnuts in the pods?

 

[secuono]

Looks like empress to me, too. Send me some seeds! Need those trees for fodder!

 

[StonyGarden]

Yup that's what it is? Thanks Ridgerunner!

Secuono, how do I harvest the seeds?