Mysterious plant ...

[Nd2lrnChx]

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Can anyone identify this plant for me? It’s popped up in my front garden and I don’t know whether to leave it be or pull it up... I’m in the UK if that helps at all ...

 

[Nd2lrnChx]

I'm a horticulturist and botanist by trade and I have no idea what it is! Hmmm, I'm intrigued now. I don't have good internet reception at my new location but am anxious to look it up when I get the opportunity and will let you know if I figure it out. In the meantime I will follow this thread to see if you get an answer because I'm very curious now!

 

[J.D]

If you figure out what it is please let me know if it flowers or anything I’ll post an updated picture too!

 

[Nd2lrnChx]

I will, and thanks. My concern is that it looks to be in the family of a noxious and hard to eradicate weed that grows here in Colorado.

 

[Emmaxx]

 

[LittleMissCountry]

I have no idea, but I use pl@ntnet app to identify most of the things I find that I don't know. It is a free app and works pretty well.