Its Houttuynai cordata chemeleon does have little white flowers. This plant is invasive and hell to get rid of my advice is to grow it in a pot on a hard surface roots throught the bottom of the pot if not. I wrote a blog on this it took me about 5 years to get rid of it in the garden but it was lovely in a pot on the patio.

I had it in my garden in London, it was invasive there, but over here in Peterborough it seems slower to spread.

I have this in a pot on a large paving...
Pretty leaves :o)