Where can I find a knotted plant in a teapot?

It might be one of those "lucky bamboo" plants you can find in asian markets. The leaves and stems are pliable when young and can be wd around pretty much anything. As long as they stay alive and keep growing they develop into a thicker stem that keeps putting out new leaves. I've seen these braided, twisted, made to grow around a square wire frame, and made into shapes like hearts and diamonds.