Not like the others

Walking by a dense patch of Sea Thrift (Armeria maritima) along a coastal bluff, from a distance one plant caught my eye:

 

There were hundreds of Sea Thrift plants, most with pale pink flower petals.  But one plant had much darker petals:

 

Not sure why this one plant was so different than all of the surrounding plants, but it was certainly eye-catching.

 

Sea Thrift

 

Sea Thrift (Armeria maritima), photographed near Dillon Beach on 22 May 2017