This was from a buddy in Mobile. He and I exchanged some Satsuki cuttings, and I think I definitely got the better end of the deal. The cultivar is unknown, but I’m wondering if it is a Matsunami. Here is the parent tree:
And here is the cutting, along with some close-ups of the varied individual flowers.
A few examples on the ‘Matsunami’
Back Yard Gardener: