Solved Having a senior moment, more like senior week!

Can some kind soul put me out of my misery. I cannot for the life of me remember what this plant it. Only grown it for god knows how many years but brain has gone on strike. I intend to sell some of it so a good idea to be able to tell folk what the hell it is.
Grows about 2ft 6 in’s tall. Many thanks.

 

Oh just remembered think it is Lysimachia Clethroides but good for someone to confirm.

 

This is Lysimachia Clethroides in Sheffield Botanical Gardens. Quite distinctive. Does it ever look like this?

 

Thanks yes, theirs looks a bit better than mine which is somewhat tatty at this stage of the season but definitely the same plant. It is not nearly as rampant as other Lysimachia I grow, quite nice and a useful addition to those who like growing a white herbaceous border. Many thanks.

 

I have turned original pic to show the leaves clearly.


Lysimachia Clethroides is very distinctive in that the flower stems all have that bend in them.
The common name is the gooseneck loosestrife.
Mystery Lysimachia flowers do not show this bend.

Might it be Lysimachia candela?
I am not convinced./ or sure.

Lysimachia Candela ('Innlyscand') | loosestrife [Candela] Herbaceous Perennial/RHS

 

Oh you could be right @Silver surfer! The plant I’ve split to sell in the sale I will label Lysimachia C, that covers both bases! I doubt the vast majority of the people who support the sale will know the difference. As long as I can tell them roughly the height, colour ( luckily both are white) and when the plant flowers that should do the job. Many thanks

 

The leaves aren't right for Lysimachia Clethroides, too round.