Like you, it was one of my first ID'd iris.  I posted a photo of it

on 3/15/05.  Oddly enough, mine looked a little darker than yours.

 

The rhubarb eventually won. 

 

Mary Lou, near Indianapolis, Z5 - excited by a sprout of Cordoba X

Again And Again, dinky seed from rotted pod/stalk after the tornado

last May.  Thought they were all dead meat.