My wife suggested "Stripey" for obvious reasons. So that's what we're calling it. I'm sure there's better St Swithin's out there, but this one is the best in my eyes because of the sentiment behind it. Here's some new pictures with a ruler for scale.
Wow, beautiful. You give me hope for our seedling St. Swithin we just got, it's conciderably smaller than this. Now I know there's a space problem in the future.