When you hear the name Cannabis sativa, you probably immediately think of hemp or cannabis. Yet, behind this name lies an old, complex and fascinating scientific debate: is cannabis a single botanical species or a family composed of several distinct species?
To build a true encyclopedia of CBD and cannabinoids, it is essential to understand this taxonomic foundation. Because everything starts here: classification, genetics, cannabinoid profiles, differences between varieties… Everything stems from this central question.
1. Origin of the name Cannabis sativa
The first modern classification of cannabis dates back to the 18th century.
In 1753, the Swedish botanist Carl Linnaeus published his seminal work Species Plantarum. In it, he described a single species of cannabis: Cannabis sativa L.
The term sativa means “cultivated” in Latin. At that time, the specimens observed came mainly from Europe and were used for fiber and seeds.
A few decades later, in 1785, the French naturalist Jean-Baptiste Lamarck observed plants from India. He noted morphological differences and proposed a new species: Cannabis indica.
Since that moment, the debate has never ceased.
2. Cannabis: a single species or several?
Today, two major schools of thought are in opposition:
🟢 The monospecific theory
According to this approach, cannabis constitutes a single species: Cannabis sativa, comprising different subspecies or varieties.
Proposed structure:
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Cannabis sativa subsp. sativa
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Cannabis sativa subsp. indica
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Cannabis sativa subsp. ruderalis
This view is supported by the fact that all forms of cannabis can crossbreed and produce fertile offspring.
In botany, this is a key criterion: if two plants can reproduce naturally, they generally belong to the same species.
🔵 The multispecies theory
Some botanists believe that there are three distinct species:
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Cannabis sativa
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Cannabis indica
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Cannabis ruderalis
The arguments put forward are based on:
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Morphological differences
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Geographical origin
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Chemical variations (cannabinoid profiles)
3. Observed morphological differences
Here is what generally distinguishes the most well-known forms:
Cannabis sativa (in the broad sense)
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Tall plant (2 to 4 meters)
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Thin, elongated leaves
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Longer flowering period
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Origins: Europe, Africa, America
Cannabis indica
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More compact plant
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Broad leaves
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Faster flowering
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Origins: India, Afghanistan, Pakistan
Cannabis ruderalis
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Small size
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Automatic flowering (independent of photoperiod)
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Origins: Russia, Eastern Europe
However, the globalization of cultures and massive hybridization make these distinctions less clear today.
4. Does modern genetics settle the debate?
Recent genetic analyses show that the different forms of cannabis share an extremely similar genetic base.
DNA studies tend to support the monospecific theory: it would be a single species with strong internal variability.
In other words, the observed differences are more a result of human selection than of a deep evolutionary divergence.
5. Impact on CBD and cannabinoids
Why is this question important to you?
Because classification has an influence:
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Cannabinoid profiles
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Terpene profiles
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Cultivation methods
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CBD yields
Some strains derived from sativa selections are historically richer in CBD, while others have been developed to maximize THC.
However, today, thanks to modern genetic selection, cannabinoid profiles are primarily determined by the work of breeders rather than by the “sativa” or “indica” category.
6. The role of human domestication
Cannabis is one of the plants most anciently domesticated by humans.
Over millennia, humans have selected:
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Fiber-rich varieties
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Seed-rich varieties
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Resin-rich varieties
This artificial selection has accentuated morphological differences, contributing to the taxonomic debate.
7. Cannabis and botanical family
Cannabis belongs to the Cannabaceae family.
This family also includes:
Humulus upulus
Hops, used in beer, are therefore a close relative of cannabis.
This explains some aromatic similarities, including the presence of common terpenes such as myrcene or caryophyllene.
8. The concept of chemotype
In reality, the most relevant distinction today is not morphological but chemical.
The term chemotype refers to the dominant cannabinoid profile.
There are mainly:
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Type I: THC dominant
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Type II: Balanced THC and CBD
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Type III: CBD dominant
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Type IV: CBG dominant
In the world of legal CBD, it is mainly chemotypes III that are exploited.
9. Why does the debate continue?
Botanical classification is based on complex criteria:
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Morphology
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Genetic
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Reproductive isolation
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Evolutionary history
Because cannabis has been widely hybridized, isolating “pure” strains has become almost impossible.
Current scientific consensus leans towards a single, highly polymorphic species: Cannabis sativa L.
10. Consequences for the European CBD market
For you, consumer or market player:
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The terms “sativa” or “indica” are now more marketing than strictly botanical
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The cannabinoid and terpene profile is far more important than the classification
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Legality depends solely on the THC level (
11. Scientific Synthesis
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Cannabis is probably a single botanical species: Cannabis sativa L.
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The terms sativa, indica and ruderalis describe morphological and geographical subgroups
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Modern classification prioritizes genetic and chemical analysis
FAQ
Are Sativa and Indica really different?
Morphologically yes, genetically much less so.
Can pure varieties still be found?
Very rarely. Most current varieties are hybrids.
Does classification influence the effects?
The effects depend primarily on the cannabinoids and terpenes, not solely on the botanical type.
Key points to remember
Cannabis is not a distinct botanical family but an extremely adaptable and polymorphic species. Behind the commercial names lies a more nuanced scientific reality: a single plant, selected and transformed by millennia of human intervention.
Understanding this botanical basis allows you to then approach cannabinoids, chemical profiles and modern innovations with a clear and structured vision.
To learn more:
https://hashmuseum.com/fr/collection/cannabis-sativa-l/
https://www.lisez.com/actualites/tout-savoir-sur-cette-plante-pas-comme-les-autres