When I was a kid we had a tree out on our street and Ive always wondered what it was. The tree only grew to be about 15 feet tall and never grew beyond that, we never had to trim branches or anything. It would grow bright red spiky berries about the size of a grape or cherries. Inside of the berries were dark yellow. There were never any flowers and from what I can remember it kept its leaves year around. In some places the bark had warn off and it was really smooth wood underneath. The tree is dead now so I cant really take a picture and I’ve never seen another tree like it. I live in Southern California.