A new species of plant, which has overcome infertility to evolve, has been found on the bank of a stream in Scotland.
The discovery of the new "monkey flower" near Leadhills in South Lanarkshire was made by Stirling University's Dr Mario Vallejo-Marin.
He said it was a rare example of a species being found to have originated in the wild within the last 150 years. Only a handful of examples exists in recent history.
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