Photo taken on 20/06/18 at Fermyn Woods, Northants.
Despite the name, this is not a member of the Nightshade family. It is very unusual in having flowers with just two petals. It grows in shady woods and hedgebanks, flowering between June and August.
Photo taken on 4/07/08 at Whipsnade, Beds
Photo taken on 4/07/08 at Whipsnade, Beds
Photo taken on 14/07/08 at Ashridge, Bucks
Photo taken on 4/07/09 near Chartridge, Bucks