18 Questions
What is the basis of chemotaxonomic classification of cannabis plants?
Quantitative differences in cannabinoid ratio
What is the ratio of THC, CBN, and CBD that characterizes 'chemo-type' plants?
[THC] + [CBN]/[CBD] > 1
What is the current classification of cannabis cultivars according to the larger scientific community?
One species: Cannabis sativa, with indica and ruderalis as sub-species
What is the purpose of molecular classification techniques such as RAPDs, RFLPs, and ISSRs?
To establish the genetic relationship among different varieties of cannabis plants
Why should Cannabis indica not be used as a distinct species?
Plants that grouped morphologically as C.indica and C.sativa do not form distinct groups based on chemical composition
What is the current status of molecular classification of cannabis plants?
It is still being evaluated and refined
What is the meaning of the genus name 'sativa'?
planted or sown
Who acknowledged Cannabis sativa as a species in 1753?
Carl Linnaeus
What is the family classification of Cannabis?
Cannabaceae
Who divided the single species C.sativa into subspecies sativa and indica?
Small and Cronquist
What is the meaning of the genus 'Cannabis'?
cane-like
Who referred to the same taxa only at sub-specific level within one single species, C.sativa?
Hoffmann
What is a characteristic of Cannabis sativa plants?
They have narrow leaf fingers
What is the height range of Cannabis sativa plants?
150-400 cm
What is the flowering cycle of Cannabis sativa?
9-16 weeks
What is the term for the process of crossing different cannabis plants to create new varieties?
Hybridization
When was Cannabis sativa first classified?
1753
What is the term for the original, untouched cannabis strains that have coevolved with humans over thousands of years?
Landrace strains
Explore the history and classification of cannabis, from Linnaeus's Species Plantarum to modern botanical nomenclature. Learn about the different species and their characteristics, as described by Schultes, Klein, Plowman, and Lockwood. Discover the meanings behind the genus and species names of cannabis.
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