Interesting.
I have one that I acquired as "Seolak" (설악) with the subsidiary name "Setsugaku" (雪嶽) on the label. It looks far more like this one on the Korean neo board (
??????? > ??????? ??? ???? ????? ???? ???? ???? ?? > ??) than the one given in the link in Hakumin's post.
In any case, I don't think I have seen pictures of the flowers of this variety, not that I can find on the web anyway - but perhaps I missed them.
Here are pics of the first flowering of this variety for me this year: