
Zinc Violet - Viola lutea subsp. calaminaria
Plombières, April 2016.
https://en.wikipedia.org/wiki/Viola_lutea_subsp._calaminaria

"Viola lutea", also known as the mountain pansy, is a species of violet that grows in Europe, from the British Isles to the Balkans.
Similar species: Malpighiales
By Patomarazul
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Uploaded Dec 18, 2021. Captured Apr 6, 2016 13:10 in Rue du Chemin de Fer 25, 4850 Plombières, Belgium.