I think that variety is called a plicata. You could look at the purple plicatas on the Blue J web site to see if you can find a match- you can look at their catalog by color and type. It helps to know how tall it is and when it blooms.
Renee

Here is a link that might be useful: Blue J

The first name that came to me was Autumn Tryst..Has it ever bloomed in the fall and Does it have purple based foliage?