Cannabis leaf: shape, leaflets, symbol and what it really contains
By the Golden High teamUpdated 10 November 20268 min read
Botany & culture
The cannabis leaf is a palmate compound leaf: several long, toothed leaflets fan out from a single point, like the fingers of a hand, most often 5, 7 or 9 of them. It's probably the most recognised plant image in the world, even though it's the part of the plant with the fewest cannabinoids. Shape, leaflets, differences between plant types, the symbol, and what to know before you smoke it.
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The cannabis leaf, an open hand.
Botanists call it a palmate compound leaf. The leaf isn't a single blade but a set of leaflets (the "fingers") attached at the end of a long stalk, the petiole. Each leaflet is narrow, pointed and edged with regular teeth, like a saw. The central leaflet is the longest, and the others get shorter towards the outside.
The number of leaflets isn't fixed on a single plant. The very first leaves of a seedling often have just one to three; the big leaves of the growth stage have the most; and the small leaves around the flowers have fewer. So counting leaflets won't tell you much unless you know where the leaf comes from.
The number of leaflets
Sativa, indica, ruderalis: three silhouettes.
The one reference study often quoted on the subject dates from 1980. Botanist Loran C. Anderson measured the leaves of plants from around the world grown in the same experimental garden, for the US National Institute on Drug Abuse (NIDA). His results actually contradict a common belief: it wasn't the "sativa" type that had the most leaflets.
| "Sativa" type | "Indica" type | "Ruderalis" type | |
|---|---|---|---|
| Leaflets (most frequent value) | 7 | 9 | 5 |
| Measured average | 6.35 | 8.20 | 4.59 |
| Leaflet shape | Long and thin | Broad, darker green | Small and short |
| Plant habit | Tall, slender | Compact, bushy | Small, autoflowering |
Source: Anderson, Botanical Museum Leaflets, Harvard, 1980. Modern plants are almost all hybrids, so the shape of the leaf no longer lets you guess a strain's effect.
That last point matters. The sativa and indica labels were invented by botanists to describe plant shapes, not effects. We've looked at what these words still mean in Sativa, indica, hybrid: do they still mean anything in 2026?
What the measurements say
Little resin, few cannabinoids.
Cannabinoids and terpenes are made in the trichomes, the tiny mushroom-shaped glands that give flowers their frosty look. Big fan leaves carry few of them. The small leaves growing in among the flowers, known as sugar leaves, are much more covered.
PLoS One · 2018
On cultivated medical cannabis plants, researchers measured THC in the flowers at between 3% and 21.5% of dry weight, against 0.26% to 2.69% for the leaves. They note that leaf levels were generally at least ten times lower than in the flowers.
University of British Columbia · 2019
The researchers show that the large stalked trichomes on the flowers produce most of the cannabinoids and terpenes, far more than the small sessile trichomes.
Conseil d'État · 29 December 2022
France's highest administrative court overturns the order that banned the sale of raw flowers and leaves from varieties under 0.3% THC, noting that CBD has no psychotropic effect and doesn't cause dependence.
In practice, a dried leaf smoked on its own mostly gives you harsh smoke and a taste of cut grass. That's why growers cut off the big leaves at harvest and keep only the buds. Aromas also come from the trichomes; we explain their role in Terpenes, the secret behind the taste. References at the bottom of the page.
Hemp or cannabis?
Hemp leaf, cannabis leaf: the same plant.
You can't tell an industrial hemp leaf from a high-THC cannabis leaf with the naked eye: they're the same species, Cannabis sativa. What changes is the variety and its chemistry. French law doesn't care about the shape of the leaf, only about the THC level.
Hemp
Varieties listed in the European catalogue, grown for fibre, seeds or extracts, with less than 0.3% THC. Their flowers and leaves can be sold in France.
High-THC cannabis
Varieties bred for their THC content. The plant, its leaves, flowers and resin are controlled drugs in France.
The current framework in France was set by the order of 30 December 2021, then corrected by the Conseil d'État in December 2022, which restored the sale of raw hemp flowers and leaves. That's the basis on which hemp flowers are sold in France today, and on which we sell our Delta-P flowers, under 0.3% THC and lab-tested. For the full picture, read Legal weed in France: what's allowed.
The symbol
How a leaf became an emblem.
Hemp has been grown for thousands of years, and its leaf already appears in old herbaria and botany treatises. But it was in the 20th century, with the counterculture of the 1960s and then the legalisation movements, that the seven-pointed silhouette became a rallying sign.
1753
Carl Linnaeus describes the species Cannabis sativa in his Species Plantarum.
1785
Lamarck describes Cannabis indica, based on plants brought back from India.
1960s-70s
The banned plant becomes a symbol of the counterculture, then of legalisation movements. Its leaf becomes the most recognised plant image in the world.
Since 2018
Several proposals for a cannabis leaf emoji have been turned down by the Unicode Consortium. People use 🌿 or 🍁 instead.
Today, the leaf shows up on T-shirts, protest flags, shop logos and packaging. It often works as visual shorthand for "cannabis", including on products that contain little or none of it: it's never a guarantee of quality or origin.
And in a joint?
Why people smoke the flower, not the leaf.
- Little effect. With a cannabinoid level at least ten times lower than the flowers, the big leaf adds almost nothing.
- A harsh taste. Chlorophyll and the lack of terpenes make for rough, grassy smoke.
- More burning for nothing. Burning more plant matter for the same effect means more tar in your lungs.
A well-trimmed flower, stripped of its big leaves, is more pleasant and easier to read. That's the case with Amnesia Delta-P 12 %, our most requested flower, and with OG Kush Hydro, grown hydroponically. These are hemp flowers, not THC genetics.
- Look at the buds: dense, frosty flowers, few visible leaves.
- Check the strength: a level shown on the label and THC under 0.3%.
- Start low: a small amount, and never before driving. Adults only.
Your questions
What people ask us about the cannabis leaf.
How many leaflets does a cannabis leaf have?
Usually 5, 7 or 9, and sometimes up to 11 or 13 on the big leaves. The number varies with the plant and the leaf's position: a seedling's first leaves and those near the flowers have fewer.
How do you recognise a cannabis leaf?
It's a palmate compound leaf: thin, pointed, saw-toothed leaflets fan out from one point at the end of a long stalk. The central leaflet is the longest.
What's the difference between a sativa leaf and an indica leaf?
Sativa-type plants have long, thin leaflets, while indica-type plants have broader, darker ones. Most strains today are hybrids, so the leaf tells you nothing about the effect.
Can you smoke cannabis leaves?
You can, but the big leaves contain at least ten times fewer cannabinoids than the flowers, and their smoke is harsh. That's why they're removed at harvest.
What does the cannabis leaf symbolise?
It became the emblem of cannabis culture and legalisation movements from the 1960s and 1970s. Today it's visual shorthand for anything to do with cannabis.
Is a hemp leaf the same as a cannabis leaf?
Yes, it's the same species, Cannabis sativa. Only the THC content separates hemp, under 0.3% in France, from high-THC varieties classified as controlled drugs.
Is there a cannabis leaf emoji?
No. The proposals submitted to the Unicode Consortium were turned down. People generally use 🌿 (herb) or 🍁 (maple leaf).
Sources
The references cited in this article.
- Anderson L.C. (1980). Leaf variation among Cannabis species from a controlled garden, Botanical Museum Leaflets, Harvard University, vol. 28, no. 1.
- Richins R.D. et al. (2018). Accumulation of bioactive metabolites in cultivated medical Cannabis, PLoS One.
- University of British Columbia (2019). The frostier the flower, the more potent the cannabis: UBC study.
- Conseil d'État (2022). CBD: order banning the sale of cannabis flowers and leaves without narcotic properties annulled (press release of 29 December 2022, in French).
- Emojipedia. Four Twenty / 420.
- Vice / Motherboard (2017). A Visual History of the Pot Leaf.
- Wikipedia. Cannabis (botanical history and taxonomy, in French).
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