Another Id help

I saw this a while ago on Gardeners World I think and forgot to note down the name and despite scouring the internet cannot figure it out - it pops up everywehre if you let it and I've got some tall stands of it as screening about 6ft high - bizarre looking thing. This photo is poor sorry and it is well over the top but the shiny dark bits that you can see usually cover the whole head of the plant, resembles blackcurrant fruit gums. It's got some name like American Prarie Weed or similar.


thanks.

 

North American poke weed, Phytolacca americana!

 

Exactly, thank you it was driving me bonkers.