Straggly plant with trifoliate toothed leaves. Heads of blue/violet flowers on stalks.
No interactions present.
I knew this plant from one place only. It grew on the sandy spoil from an old steel foundry. We called them 'Bings' (the sandy spoil heap, that is, not the plant!. It was fabulously attractive to butterflies.
Lat/Lng: 49.5412, 6.3732