Peacock's Eye - Real Name?

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Does anyone know the correct name of Peacock's Eye?  It is French and, I believe, starts with Pf.  I entered it in our show several years ago and the judges were considering it for a Section award.  There was a debate whether to disqualify it because the name was not correct.  They eventually decided to give the award because the name was the "common" name for the iris. 

 

I haven't been able to find the correct name because the year, I believe 1806, is not in my R&Is.  I cannot find it on the H.I.P.S. site either. 

 

As long as someone was asking for a picture of the iris, I thought maybe we could discover the correct name as well.

 

Thanks to all,

 

Jan in Chatsworth