It's Houttuynia cordata, though it usually flowers in spring.

Just Googled it, and you're absolutely right. Thanks Bamboo :)

It's not often our Bamboo is wrong Waddy. ;o)

I wonder if you can hear me groaning from there, Myron - that's a hard thing to live up to, not being wrong much, thank heavens you didn't say 'never' wrong;-)) Although I'll admit, I do have a bit of an obsession with getting accurate facts wherever possible, when I've got the energy and time.