Great thread! UFs are what got me into daylilies, along with Munson purples with watermarks! I got a seedling of Dottie Warrell's a few years ago that she said she would never introduce because it was too weird for her. It changes form after it's been in the same spot undisturbed for a couple years. I'm putting it's pollen on tall white UFs. Here is a pic when newly transplanted:
