It could be anything. I'm certainly not positive and am only offering my opinion. It will be up to the OP to check our suggestions, do research and make a decision.
I had already posted what information I had on the other thread. I got as far as immature Mulberry and possibly Morus alba but have not confirmed that with the plant experts. The tree is not growing in my yard but at a big box store where the landscape crew continually cut it back so the mature leaves never happen. Let's invite
@chelle and see what she has to say; she has the Mulberry growing at her place.