Yup you got me there, it does like somewhat like a pom pom. But it also looks to have loads of potential, what are you planning with it? The trunk looks too straight to mae a convincing cascade, how tall is it?
Here is a link to the other one i was thinking about, its in Hank Millers gallery
http://pictures.bonsaitalk.com/show...&cat=500&page=3
Now, my teacher has some great examples of these all in training, but here they are kept outside all year round, and they bloom and fruit every year. Will try and get some photos for you.