Cannabis (/ˈkænəbɪs/ⓘ) is a genus of flowering plants in the family Cannabaceae that is widely accepted as being indigenous to and originating from the continent of Asia. However, the number of species is disputed, with as many as three species being recognized: Cannabis sativa, C. indica, and C. ruderalis. Alternatively, C. ruderalis may be included within C. sativa, or all three may be treated as subspecies of C. sativa, or C. sativa may be accepted as a single undivided species.
The plant is also known as hemp, although this term is usually used to refer only to varietiescultivated for non-drug use. Hemp has long been used for fibre, seeds and their oils, leaves for use as vegetables, and juice. Industrial hemp textile products are made from cannabis plants selected to produce an abundance of fibre.
A hemp field in Côtes-d'Armor, Brittany, France, which is Europe's largest hemp producer as of 2022
Hemp, or industrial hemp, is a plant in the botanical class of Cannabis sativacultivars grown specifically for industrial and consumable use. It can be used to make a wide range of products. Along with bamboo, hemp is among the fastest growing plants on Earth. It was also one of the first plants to be spun into usable fiber 50,000 years ago. It can be refined into a variety of commercial items, including paper, rope, textiles, clothing, biodegradable plastics, paint, insulation, biofuel, food, and animal feed.
Although chemotype I cannabis and hemp (types II, III, IV, V) are both Cannabis sativa and contain the psychoactive component tetrahydrocannabinol (THC), they represent distinct cultivar groups, typically with unique phytochemical compositions and uses. Hemp typically has lower concentrations of total THC and may have higher concentrations of cannabidiol (CBD), which potentially mitigates the psychoactive effects of THC. The legality of hemp varies widely among countries. Some governments regulate the concentration of THC and permit only hemp that is bred with an especially low THC content into commercial production. (Full article...)
Reefer Madness (originally made as Tell Your Children), a 1936-1939 American propagandaexploitation film revolving around the melodramatic events that ensue when high school students are lured by pushers to try marijuana — from a hit and run accident, to manslaughter, suicide, attempted rape, and descent into madness. Originally financed by a church group under the title Tell Your Children, the film was intended to be shown to parents as a morality tale attempting to teach them about the dangers of cannabis use. However, it was purchased by producer Dwain Esper, who re-cut the film for distribution on the exploitation film circuit through the 40s and 50s. Although finding a popular audience as a cult film, critics have panned it as one of the worst films ever made.
The following are images from various cannabis-related articles on Wikipedia.
Image 1Top of Cannabis plant in vegetative growth stage (from Cannabis)
Image 2Relative size of varieties of Cannabis (from Cannabis)
Image 3Comparison of physical harm and dependence regarding various drugs (from Cannabis)
Image 4The use of cannabis, at least as fiber, has been shown to go back at least 10,000 years in Taiwan. "Dà má" (Pinyin pronunciation) is the Chinese expression for cannabis, the first character meaning "big" and the second character meaning "hemp". (from Medical cannabis)
Image 5Dense raceme of female flowers typical of drug-type varieties of Cannabis (from Cannabis)
Image 6The variety of appearances for cannabis. Only C. sativa (left) is suited for industrial hemp, but it also has medicinal varieties. (from Hemp)
Image 7The Ebers Papyrus (c. 1550 BCE) from Ancient Egypt has a prescription for medical marijuana applied directly for inflammation. (from Medical cannabis)
Image 42Harvesting hemp in the USSR, 1956 (from Hemp)
Image 43The Chinese character for hemp (麻 or má) depicts two plants under a shelter. Notably, the same character also means "numb". Cannabis cultivation dates back at least 3000 years in Taiwan. (from History of cannabis)
Image 48Three theories of classification for Cannabis. From left to right, monotypic with three subspecies (A), polytypic consisting of up to three species (B), and single phenotypically diverse species (C). (from Cannabis)
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