Flower?

This has shot up on its own. Quite symmetrical and triangular, its leaves have changed shape towards the top and I am not sure if those yellow bits are supposed to pass for flowers?

 

Looks like a Euphorbia of some sort, but I'm rubbish at identifying most of them. Hopefully someone else will recognise it.

Yep, those yellow shoots will be flowers.

 

Thanks. The knowledge of people amazes me.
I've just googled it, it doesn't seem very exciting though:o

 

Euphorbia Lathyrus, it seeds by explosive pods, so get rid of it now if you dont want it in future years.

I kind of like it, so allow a few plant to develop.

 

Thanks Pete. It's not in a good place and it doesn't do it for me at the moment I'm afraid, I will move it somewhere else.

 

It wont move, root disturbance is a no no.:D