Sample populations of 157 Cannabis accessions of diverse geographic origin were
surveyed for allozyme variation at 17 gene loci. The frequencies of 52 alleles were …

Four crosses were made between inbred Cannabis sativa plants with pure cannabidiol
(CBD) and pure Δ-9-tetrahydrocannabinol (THC) chemotypes. All the plants belonging to the …

Two kinds of drug-type Cannabis gained layman's terms in the 1980s.“Sativa” had origins in
South Asia (India), with early historical dissemination to Southeast Asia, Africa, and the …

Wide morphological variation was observed in plants of many seed types grown in
Mississippi. Many monecious plants were observed in several stocks. Bees were attracted …

New concepts are reviewed in Cannabis systematics, including phylogenetics and
nomenclature. The family Cannabaceae now includes Cannabis, Humulus, and eight …

Variation in Cannabis is evaluated in the context of the confusing systematic history of this
genus. Aside from some experimentally produced polyploids, all Cannabis is diploid (n= 10) …

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Cannabinoids are important chemotaxonomic markers unique to Cannabis. Previous
studies show that a plant's dry‐weight ratio of Δ9‐tetrahydrocannabinol (THC) to cannabidiol …

Humans and the Cannabis plant share an intimate history spanning millennia. Humans
spread Cannabis from its Eurasian homelands throughout much of the world, and, in concert …

Ninety seven Cannabis accessions were evaluated for cannabinoid content and non-
chemical plant characters. Variation within populations for cannabinoid content, and …