Polygonum multiflorum Fleeceflower Root (何首乌) Radix Polygoni Multiflori Polygonum multiflorum Polygonum multiflorum Chinese knotweed root Polygonum multiflorum Radix Polygoni Multiflori Info from Wikipedia about He shou wu (Polygonum multiflorum) Polygonum multiflorum Radix Polygoni Multiflori Polygonum multiflorum http://en.wikipedia.org/wiki/Polygonum_multiflorum http://en.wikipedia.org/wiki/Polygo...