I attempted to root it several years ago and they didn't take. My understanding is that it is a black mission type. I'm not sure if that changes anything but I decided that it wasn't worth it here in the humid mid Atlantic.
@Bigbill does grow and sell this one. I think he none on the shelves at the moment. You may want to ask him to see if maybe he has one in the back, buried behind the Joualle Rouge...