hahahaha
yeah, any part of the plant, which leads me to believe that is re-encouraging cellular growth in its dormant stage. but obviously i dont fully understand as well. i found it on craigslist in the bay area to be honest, he was trying to sell kits....
i thought wow, i can grow a plant (eventually) from the leaf i pulled from a nug before i rolled it. so you can see where that went. my curiousty.... but im pretty sure the cell has to be alive. other wise it would replicating dna, which is illegal... shhh