Cannabis (Cán-na-bis) is a genus of flowering plants that includes three putative species, Cannabis sativa L., Cannabis indica Lam., and Cannabis ruderalis Janisch. These three taxa are indigenous to central Asia and surrounding regions. Cannabis has long been used for fibre (hemp), for medicinal purposes, and as a drug. Industrial hemp products are made from Cannabis plants selected to produce an abundance of fiber and minimal levels of THC (?9- tetrahydrocannabinol), one psychoactive molecule that produces the "high" associated with marijuana. The drug consists of dried flowers and leaves of plants selected to produce high levels of THC. Various extracts including hashish and hash oil are also produced.Erowid. 2006. Cannabis Basics. Retrieved on 25 Feb 2007 The cultivation and possession of Cannabis for recreational use is outlawed in most countries. Etymology The plant name cannabis is from Greek (), via Latin , originally a Scythian or Thracian word, also loaned into Pers

Source: http://en.wikipedia.org/wiki/Cannabis
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