 Some jurisdictions define "marijuana" as the whole cannabis plant or any part of it, while others refer to "marijuana" as a portion of the cannabis plant that contains high levels of tetrahydrocannabinol (THC).Some jurisdictions recognize "marijuana" as a distinctive strain of cannabis, the other being hemp.The form "marihuana" is first attested in Mexican Spanish; it then spread to other varieties of Spanish and to English, French, and other languages.