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I would say its not verbena. Stems are not right and too pale. This was growing by the edge of a burn.
Gardening for Wildlife
I suggest they are leaves of the Ash tree (Fraxinus excelsior). The flowers are Common Valerian.
No, the leaves in the second photo do not belong to the plant, I uploaded to show the stems more to show that it was not verbena.
Lat/Lng: 54.84721, -4.7931
OS grid ref: NX207538