Dianthus: Dianthus callizonus
Started by: AGS EncyclopaediaGo to latest contribution by Rick Lambert, 13 October 2012, 22:55. Go to bottom of this page.
Images on this page are shown as thumbnails. Click on an image to enlarge it.
I am afraid Joys plant (illustrated) is unlikely to be D. callizonus.
The first photograph is from a plant at Wisley
--sorry this one is from seed I raised (sent me from a German friend)
and this picture is the plant at Wisley
There is a close-up of Joy's plant here.
I don't know what is diagnostic, but the flower shape and form look very similar to those you show, though the central markings are clearly much more pronounced.