On 03/05/2017 16:23, Martin wrote:
I blame my wife, my expert, who has confessed to not looking at the tendrils and
leaves. Interesting that a US website recommends it for its medicinal
properties, probably one mollecule/million litres.

It's a very good cure for constipation.

We had one persistently appearing in one of our beds. I cleared out a
shrub last year, and this spring when it reappeared I was able to dig it
out.

The root was the size of a turnip.

Andy