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The sepals are pointed in V. reichenbachiana. Do you have other pictures as the sepals look rounded in the left picture but I cant be sure?
If rounded, then we would need to see the hairs on the leaf stalk and check for stolons.
Ah, now I see the second shot where they are indeed pointed.
Lat/Lng: 53.3424, -1.2
OS grid ref: SK533831
Anston Stones Wood is an ancient woodland on limestone