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Cannabis Nomenclature and Botanical History

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Cannabis Nomenclature and Botanical History

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Questions and Answers

What is the basis of chemotaxonomic classification of cannabis plants?

Quantitative differences in cannabinoid ratio (correct)

Morphological differences

Molecular techniques such as RAPDs and RFLPs

Genotypic data

What is the ratio of THC, CBN, and CBD that characterizes 'chemo-type' plants?

[THC] + [CBN]/[CBD] > 1 (correct)

[THC] + [CBN]/[CBD] < 1

[THC] + [CBN] < [CBD]

[THC] + [CBN] > [CBD]

What is the current classification of cannabis cultivars according to the larger scientific community?

Undecided, with no conclusive evidence

Three distinct species: Cannabis sativa, Cannabis indica, and Cannabis ruderalis

Multiple species, with indica and ruderalis as separate species

One species: Cannabis sativa, with indica and ruderalis as sub-species (correct)

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 Signup and view all the answers

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 Signup and view all the answers

What is the current status of molecular classification of cannabis plants?

It is still being evaluated and refined Signup and view all the answers

What is the meaning of the genus name 'sativa'?

planted or sown Signup and view all the answers

Who acknowledged Cannabis sativa as a species in 1753?

Carl Linnaeus Signup and view all the answers

What is the family classification of Cannabis?

Cannabaceae Signup and view all the answers

Who divided the single species C.sativa into subspecies sativa and indica?

Small and Cronquist Signup and view all the answers

What is the meaning of the genus 'Cannabis'?

cane-like Signup and view all the answers

Who referred to the same taxa only at sub-specific level within one single species, C.sativa?

Hoffmann Signup and view all the answers

What is a characteristic of Cannabis sativa plants?

They have narrow leaf fingers Signup and view all the answers

What is the height range of Cannabis sativa plants?

150-400 cm Signup and view all the answers

What is the flowering cycle of Cannabis sativa?

9-16 weeks Signup and view all the answers

What is the term for the process of crossing different cannabis plants to create new varieties?

Hybridization Signup and view all the answers

When was Cannabis sativa first classified?

1753 Signup and view all the answers

What is the term for the original, untouched cannabis strains that have coevolved with humans over thousands of years?

Landrace strains Signup and view all the answers