This might be the iris known as “Thornbird”. It hadn’t bloomed for a few years, and then it started up again last season after a tree in a neighbor’s yard was removed and more light got over to this patch in my front border.
I think it was orignally bred to highlighte that ridiculous sticky-out beard, but the side effect is that the standards don’t always form properly (or ‘at all’), and sometimes new but angles result in this silliness:
Rethorykal Questions 