marijuana plants - cannabis

In this valley near Mèo Vac (Vietnam), Cannabis is endemic (indigenous), i.­e.­ it grows naturally everywhere, wild, just like weed.­ It is not cultivated, it just grows as far as the eye can see, from the side of the road to the top of the hills.­

Cannabis plant originates from central asia.­ You can find more information about Cannabis in this Wikipedia article.