Probably some do with a combination of genetics, culture and location (stretching for light). I think you will probably need to recall some of the places you might have sourced this lily from then we can take it from there. I do have old catalogs from B&D and Lily Garden going back 10+ years.
My first thought was buggy's Red Bell but turns out it is short at 2-3 ft. Stigma also the wrong color. I always include the color of the stigma when doing comparisons (providing it isn't covered with pollen!).
I thought it might be one of Buggys., but just not sure. Went on her old site and looked, but did not see anything.... also could be Faraway Flowers.
I will go check my records.....
There are two ways to live your life.
One is as though nothing is a miracle.
The other is as though everything is a miracle
- Albert Einstein.
Ah come on, it works every time. Spots are definitely definitive. Quite frankly, offhand of course, nothing scientific here, just my best guess....... how about... Star Gazer! Yeah, I think thats it
They both have a narrow white edge. Sumatra is closer in orientation: b. Rio Negro is a-b, more upfacing. If you purchased Corvara sometime in the past, it is now Rio Negro.
Rio Negro vs. Sumatra could come down to how dark the nectaries are.