Could anyone help identify this flower that has appeared in the garden : Grows on You

Norfolk, United Kingdom

Could anyone help identify this flower that has appeared in the garden.
Wild sown, about 50 cm high and comes out in a purple/blue flower.

The leaves look like Nicandra, the Shoo Fly plant, but hard to actually see the flowers.

30 Aug, 2020

I agree it does look like Nicandra.

30 Aug, 2020

Thanks for the replies. Looked it up and the flowers match.

Thanks again.

3 Sep, 2020

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