Ah, the aggravation of waiting two years for a bloom, and having it be wrong!
This was supposed to be 'California Gold'.. It's a lovely white (planted next to warm colors)... I"m thinking maybe purissima...
I've procured Iris for a friend of mine from our sales, and also divided many of mine for her.. The only one that I have that's close is Conjuration, but her's has no horns..