I know why I couldn't find more of that one! On the RHS it's Delosperma aberdeenense (I was begining to see the link to Aberdeen in Scotland.)
http://apps.rhs.org.uk/horticu...
It's close .. the centres will open more like yours.
http://www.shootgardening.co.u...
http://www.rabbarien.de/bilder...
It's an AGM (Award of Garden Merit) plant which means it's a good one to have for flowering and form so will be widely sold.
