DR KEITH WHEELER / SCIENCE PHOTO LIBRARY DR KEITH WHEELER / SCIENCE PHOTO LIBRARY
Evening primrose flowers (Oenothera biennis, yellow) and common knapweed (Centaurea nigra, purple) on a slope near sand dunes. The removal of trees has encouraged the growth of wildflowers. Photographed in the Airy Point Nature Reserve, on Braunton Burrows, Crowe Point, Devon, UK.
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