He Shou Wu Photo by http://commons.wikimedia.org/wiki/User:Fanghong

Polygonum multiflorum                                                                                                                 

Common Name: He Shou Wu.

Family: Polygonaceae.  

Known Hazards: Although no specific mention has been made for this species, there have been reports that some members of this genus can cause photosensitivity in susceptible people. Many species . . . → Read More: Polygonum Multiflorum (He Shou Wou)