Iris anguifuga
Dennis Kramb (Mon, 02 May 2011 15:45:44 PDT)

I've grown it for years in the back corner of my prairie bed, but I've never
seen it bloom. This year I caught Iris anguifuga in full bloom! (Well two
of them.) I'm glad to see it has persisted here without special care.
Here's a photo from the wiki.

http://pacificbulbsociety.org/pbswiki/files/…

Dennis in Cincinnati