Botanic Notables: A New Flower's Evolution in Scotland

A new species of monkey flower has been found growing on the banks of a stream in Scotland. But it is no ordinary discovery—the flower is a rare hybrid of two foreign species, and a glimpse into evolution in action. While just about all hybrids of different species are sterile—think of the mule, a sterile hybrid of donkeys & horses—this monkey flower is fertile, thanks to an unusual genetic duplication. 

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