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David, this looks very like C. Blue Heron. Lovely plant, good foliage and flower.
Very nice L. brachycalyx, Mike - looks pure enough to me. Mind you, it's a while since I grew many lewisias
I'm not sure Mike, it looks an awful lot like an old picture I have of Lewisia 'Phyllellia' raised by Joe Elliott in the 1950's (L. brachycalyx x L. cotyledon. Martin Rogerson or Michael Campbell might be better qualified than I to say.