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Some of the leaves are quite lightly spotted but that might be a trick of the bright sunshine.
Chris Brooks - www.dragonfly-images.co.uk
My Flickr site - www.flickr.com/photos/ceb1298
Looking at other images on the web the spots do seem to vary from plant to plant. Some are heavily and darkly spotted others like yours are very lightly spotted.
Lat/Lng: 50.6322, -2.3681
OS grid ref: SY740814