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Introduction

Common hemp

Cannabis (/ˈkænəbɪs/) is a genus of flowering plants in the family Cannabaceae. The number of species within the genus is disputed. Three species may be recognized: Cannabis sativa, C. indica, and C. ruderalis. Alternatively, C. ruderalis may be included within C. sativa, all three may be treated as subspecies of C. sativa, or C. sativa may be accepted as a single undivided species. The genus is widely accepted as being indigenous to and originating from Asia.

The plant is also known as hemp, although this term is often used to refer only to varieties of Cannabis cultivated for non-drug use. Cannabis has long been used for hemp fibre, hemp seeds and their oils, hemp leaves for use as vegetables and as juice, medicinal purposes, and as a recreational drug. Industrial hemp products are made from cannabis plants selected to produce an abundance of fibre. Various cannabis strains have been bred, often selectively to produce high or low levels of tetrahydrocannabinol (THC), a cannabinoid and the plant's principal psychoactive constituent. Compounds such as hashish and hash oil are extracted from the plant. (Full article...)

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The Cannabis Act (C-45) of June, 2018 paved the way for the legalization of cannabis in Canada on 17 October 2018. Police and prosecution services in all Canadian jurisdictions are currently capable of pursuing criminal charges for cannabis marketing without a licence issued by Health Canada. The Supreme Court of Canada has held that the federal Parliament has the power to criminalize the possession of cannabis and that doing so does not infringe upon the Canadian Charter of Rights and Freedoms. The Ontario Court of Appeal and the Superior Court of Ontario have, however, held that the absence of a statutory provision for medical marijuana is unconstitutional, and to that extent the federal law is of no force and/or effect if a prescription is obtained. The recreational use of cannabis has been legalized by the federal government, and took effect on 17 October 2018.

Since 1997, public opinion polls have found that an increasing majority of Canadians agree with the statement, "Smoking marijuana should not be a criminal offence". A June 2016 national poll conducted by Nanos Research showed that 7 in 10 Canadians were in favour of legalization. (Full article...)

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Close-up of flowering cannabis plant

General images

The following are images from various cannabis-related articles on Wikipedia.

Image 1Evolution of cultivated cannabis strains. The cultivar, Cannabis ruderalis, still grows wild today. (from Medical cannabis)
Image 2Cannabis indica (from Cannabis strain)
Image 3Relative size of cannabis types (from Cannabis strain)
Image 4A dried bud, typical of what is sold for recreational use
Image 5Cannabis leaf pictured in the coat of arms of Kanepi Parish (from Cannabis)
Image 6American medical hashish (from Medical cannabis)
Image 7A flowering cannabis plant (from Cannabis strain)
Image 8Biodiesel sample (from Hemp)
Image 9Comparison of physical harm and dependence regarding various drugs (from Cannabis)
Image 10Male Cannabis flower buds (from Cannabis)
Image 11The number of publications about marijuana/cannabis according to Web of Science (from History of cannabis)
Image 12The Chinese character for hemp (麻 or má) depicts two plants under a shelter. Cannabis cultivation dates back at least 3000 years in Taiwan. (from History of cannabis)
Image 13Bhang eaters from India c. 1790. Bhang is an edible preparation of cannabis native to the Indian subcontinent. It has been used in food and drink as early as 1000 BC by Hindus in ancient India. (from History of cannabis)
Image 14A male hemp plant (from Cannabis)
Image 15Top of Cannabis plant in vegetative growth stage (from Cannabis)
Image 16A macro image of hemp seeds (from Hemp)
Image 17The variety of appearances for cannabis. Only C. sativa (left) is suited for industrial hemp, but it also has medicinal varieties. (from Hemp)
Image 18Cannabis indica fluid extract, American Druggists Syndicate, pre-1937 (from Medical cannabis)
Image 19Cannabis female flower with visible trichomes (from Cannabis)
Image 20The 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 21Dried hemp stalks displayed at the International Hemp Fair in Vienna (from Hemp)
Image 22White Widow (from Cannabis strain)
Image 23Cannabis ruderalis (from Cannabis)
Image 24Dense raceme of female flowers typical of drug-type varieties of Cannabis (from Cannabis)
Image 25Hulled hemp seeds (from Hemp)
Image 26Hemp and bead jewelry (from Hemp)
Image 27Whole hemp seeds (from Hemp)
Image 28Sour Diesel (from Cannabis strain)
Image 29Cannabis growing as weeds at the foot of Dhaulagiri, Nepal (from Cannabis)
Image 30Hemp seed (from Hemp)
Image 31Cannabis ruderalis (from Cannabis strain)
Image 32Underside of Cannabis sativa leaf, showing diagnostic venation (from Cannabis)
Image 33A hemp field in Côtes-d'Armor, Brittany, France, which is Europe's largest hemp producer as of 2022 (from Hemp)
Image 34Cannabis sativa (from Cannabis strain)
Image 35Hemp being grown in Oregon in 2020 (from Hemp)
Image 36Cannabis as illustrated in Köhler's Book of Medicinal Plants, 1897 (from Medical cannabis)
Image 37The Ebers Papyrus (c. 1550 BCE) from Ancient Egypt has a prescription for medical marijuana applied directly for inflammation. (from Medical cannabis)
Image 38Cannabis sativa from Vienna Dioscurides, 512 AD (from Hemp)
Image 39Cannabis sativa from Vienna Dioscurides, AD 512 (from History of cannabis)
Image 40Blue Dream (from Cannabis strain)
Image 41A thicket of wild cannabis in Islamabad, Pakistan (from Cannabis)
Image 42Hemp straw animal bedding (from Hemp)
Image 43Cannabis Museum in Amsterdam (from Cannabis)
Image 44Cannabis sativa stem longitudinal section (from Cannabis)
Image 45Hemp rope (from Hemp)
Image 46An advertisement for cannabis americana distributed by a pharmacist in New York in 1917 (from Medical cannabis)
Image 47Japanese Shinto shrine with rope made of hemp (from Hemp)
Image 48Harvesting hemp in the USSR, 1956 (from Hemp)
Image 49Relative size of varieties of Cannabis (from Cannabis)
Image 50Medical marijuana dispensary in Denver, Colorado (from Medical cannabis)
Image 51Cannabis indica fluid extract, American Druggists Syndicate, pre-1937 (from History of cannabis)
Image 52Illustrating various forms of medicinal cannabis (from Medical cannabis)
Image 53Legal status of (whole-plant) medical cannabis worldwide----
Legal as authorized by a physician
Legal for any use (no prescription required)
----See also countries that have decriminalized or where enforcement is limited. (from Medical cannabis)

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Did you know...

... that the Northwest Cannabis Solutions Satsop facility is operated by the largest grower of legal cannabis in the U.S. state of Washington at the site of a canceled nuclear power plant?

... that according to his memoirs, Howard Marks concluded a drug deal at the Warwick Castle with half a consignment of Thai grass hidden in a car parked outside?

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“

I have always loved marijuana. It has been a source of joy and comfort to me for many years. And I still think of it as a basic staple of life, along with beer and ice and grapefruits - and millions of Americans agree with me.

”

— Hunter S. Thompson

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WikiProjects

WikiProject Cannabis	WikiProject Plants	WikiProject Medicine

WikiProject Drug Policy	WikiProject Psychoactive and Recreational Drugs	WikiProject Alternative medicine