These are my favorite forms of daylilies.
One of the most dramatic is Curt Hanson's "Sigourney"
He grew this for a long time before deciding to introduce it. I was so glad he finally did, so that I could get a fan of it!
This photo shows the throat, but you don't get the full effect, because you cannot see it from the side. The petals are so pinched, they nearly stand straight up some days.