This is a Chinese elm (Ulmus parvifolia) that I purchased 4 years ago. Actually, I bought 2 of them, put one in a bonsai pot and this one in the ground. Both were the size of my index finger (trunk gifth).
This is the photo of the tree later than year in my backyard.
4 more images to come...
Kind regards,
Andy Rutledge
www.andyrutledge.com/
zone 8, Texas