Shady Gardener, at Does Everything Grow Better in My Neighbor's Yard?, recently posted photos of her Tiarellas here. One of them is a plant I also have, 'Iron Butterfly.'
I apologize for the quality of the next photo (from a year ago), but I wanted to show the plant as it appears in winter, and I can't go out and take a shot right now, as there are a couple of feet of snow on top of it.
As is obvious on comparison, her plant looks much different from mine. The leaves of hers are much narrower and have a more distinct marking at blooming time. So, who has the real deal? I am inclined to think that Shady does, as I have an uncanny knack for collecting mis-named plants, such as the Clematis 'Ramona,' which turned out to be Clematis 'Henryi,' Lobelia x gerardii 'Vedrariensis', which turned out to be Lobelia siphilitica, and my mystery Phlox maculata that was supposed to be 'Rosalinde.' What other misnamed plants are lurking in my garden, I wonder? (Is my Cornus kousa really 'Beni Fuji'?) How can I trust that what I think I'm planting is the real thing? What is a gardener to do?