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The List includes 13 scientific plant names of species rank for the genus Cannabis. Of these 1 are accepted species names.
The List includes a further 19 scientific plant names of infraspecific rank for the genus Cannabis. We do not intend The List to be complete for names of infraspecific rank. These are primarily included because names of species rank are synonyms of accepted infraspecific names.
The status of the 13 species names for the genus Cannabis recorded in The Plant List, are as follows:
The status of the 32 names (including infraspecific names) for the genus Cannabis recorded in The Plant List, are as follows:
The confidence with which the status of the 13 species names recorded in The Plant List for the genus Cannabis, are assigned as follows:
The source of the species name record found in The Plant List for the genus Cannabis, are as follows:
|Source of record||Accepted||Synonym||Unplaced||Unassessed||Misapplied||Total|
|WCSP (in review)||1||12||0||0||0||13|
From the Cannabaceae Plant Family
The family Cannabaceae is in the major group Angiosperms (Flowering plants).
Statistics are at the bottom of the page.
Genera in Cannabaceae
The following databases may contain further information on this name. Please click on any button to follow a link to that database.
- World Checklist of Selected Plant Families
- Catalogue of Life
- Global Biodiversity Information Facility
- The New York Botanical Garden Virtual Herbarium
- JSTOR Plant Science
- Herbarium Catalogue Royal Botanic Gardens, Kew
- National Center for Biotechnology Information
- GenBank â€” Nucleotide Alphabet of Life
- Encyclopedia of Life
- Royal Botanic Gardens, Kew Plant information portal
- Biodiversity Heritage Library
- Google Images
Cannabis Ruderalis is a type that grows wild in parts of Eastern Europe and Russia.
It's occasionally used in hybrids (an intentional crossing of two different types of cannabis) to help the resulting plants be better able to cope with the cold weather. It flowers earlier than C. indica or C. sativa, does not grow as tall, and can withstand much harsher climates than either of them. Cannabis ruderalis will produce flowers based on its age, rather than light cycle (photoperiod) changes which govern flowering in C. sativa and C. indica varieties. This kind of flowering is also known as "autoflowering".
Leaving us with 2 main cannabis strains, and that is Sativa and Indica. With hundreds of variety's and flavors.
This type of high is the one most associated with hilarious fits of laughter, long discussions about nothing, enhanced audio and visual senses. You hear things in songs you've never heard before, see things in movies you've watched a dozen times but never noticed before.
A brightly-lit malls becomes a whole new and exciting adventure. Therefore, smoking a pure Sativa or mostly Sativa hybrid will make you feel great! Energetic and social and ready for fun! And depending on the particular strain of Sativa-Indica cross you smoke, you may get a good measure of pain relief in the deal as well.
Consuming (eating) either strain or hybrid of the two results in a stronger, longer-lasting high. But it does not feel as good as smoking the herb does to many who have tried it. It's a matter of experience and personal taste. It really depends on what effect you are looking for when making your selection and choosing a way to ingest it for your condition.
The "high" a person experiences when smoking a sufficient amount of pure or mostly pure Indica, such as Medicine Man or Warlock is more of a heavy "body buzz".
You may feel lethargic, tired, unwilling to attend to reality tasks. Very laid back, lazy. You may just want left alone to sit and think deep, intellectual thoughts as you enjoy the pain relief.
You may find it very hard to stay awake as well, so this sort of strain would be good for those having trouble sleeping. This is the best sort of "high" for easing pain and most of the other symptoms these conditions.
A good Indica/Sativa cross can also offer the best of both worlds. There are many breeders who work hard to develop strains that will accomplish just that to give you a great head high coupled with a relaxing and definitely medically beneficial strong body stone.
Combining different indicas, different sativas or a combination thereof creates hybrids. The resulting hybrid strains will grow, mature and smoke in relationship to the indica-sativa percentages they end up containing.
All Strains are Potent:
THC is found in the resin glands that form on the plant during the maturation process. These glands act as a shield to protect the seed from the searing heat of the sun. From our experience this is needed more in a hot, dry atmosphere, than a hot humid one.
To maximize resin production drop the humidity in the room for the flowering stage, the lower the better. But no matter how much resin you induce on an indica it's still not going to give you the stone of a sativa, so it does have a lot to do with your personal tastes and expectations.
All of the yields for the strains are approximate and depends a lot on how they are grown and the quality of the environment. Indoor lights don't penetrate down very far so it is better to grow a larger number of smaller plants to achieve the highest yield of top quality bud. Maximum yields indoors are coming from indicas and mostly indica hybrids, while the more sativa in the mix, the lower the yields tend to be.
The yield indoors is really limited only by the amount of light available, not the strain you choose. Given that it is a good growing environment, you can expect the yield to be about the same from any strain in relationship to its indica/sativa content. It is up to your designated marijuana grower to maximize the plant's potential in his space.
The most desirable strains for medical use are ones that have been genetically developed by experts to have an extremely low CBN concentration while maintaining an available range of THC concentrates.
Effects of Indica (lower THC, higher CBN/CBD):
- More stimulating and uplifting
- Energizing and thought provoking
- Increases focus and creativity
- Supports immune system
- Best for use in daytime
Hybrid Stain Crosses:
The genetics and hence the effects of one lineage will usually be dominant. For example: Indica-dominant crosses are for pain relief, with the sativa component helping with energy and activity levels.
Cannabis has been proven helpful in relieving the symptoms of thousands of conditions, including:
- Pain from various ailments and injuries
- Arthritis, bursitis
- Multiple sclerosis
- Hepatitis C
- Nausea and low appetite
- Cancer, chemotherapy
- Muscular dystrophy
- Epilepsy, parkinson's
- Asthma, emphysema
- Glaucoma and other intra-ocular disorders
- Skin diseases such as pruritis and psoriasis
- Back pain and muscle spasms
- Paraplegia and quadriplegia
- Insomnia and other sleep disorders
- Study finds THC promotes death of brain cancer cells and shrinks tumors
There are approximately 60 identified cannabinoids and each of an infinite number of strains of cannabis has its own cannabinoid profile.
The active cannabinoids each have unique physiological effects and many combinations actually appear to have synergystic and antagonistic effects.
Tetrahydrocannabivarin (THCV, THV), also known as tetrahydrocannabivarol:
THCV can be used as a marker compound to differentiate between the consumption of hemp products and synthetic THC (e.g., Marinol).
THCV is found in largest quantities in Cannabis sativa subsp. sativa strains. Some varieties that produce propyl cannabinoids in significant amounts, over five percent of total cannabinoids, have been found in plants from South Africa, Nigeria, Afghanistan, India, Pakistan and Nepal with THCV as high as 53.69% of total cannabinoids.
They usually have moderate to high levels of both THC and Cannabidiol (CBD) and hence have a complex cannabinoid chemistry representing some of the world's most exotic cannabis varieties. It has been shown to be a CB1 receptor antagonist, i.e. blocks the effects of THC.
In 2007 GW Pharmaceuticals announced that THCV is safe in humans in a clinical trial and it will continue to develop THCV as a potential cannabinoid treatment for type 2 diabetes and related metabolic disorders, similar to the CB1 receptor antagonist rimonabant.
A mildly psychoactive degradation of THC, it's primary effects are as an anti-epileptic, and to lower intra-ocular pressure.
Doing a web search, I've found several articles that say "marijuana" is derived from the "Mexican" word "maraguanquo," which is said to mean "intoxicating plant." For example, here:
"Maraguanquo" sounds enough like the Spanish name "Marijuana" that you can see how the second name is just a Spanish version of the first.
I'm not very satisfied with this, though. For one thing, I can't find any source that identifies which "Mexican" language includes the vocabulary word "maraguanquo." My guess is that it would be one of the indigenous languages, such as Nauhuatl, Otomi, Yaqui, or Tarahumara, but without the language being named it's hard to investigate this. There are scores of different indigenous languages spoken in Mexico.
All of the mentions I've found of "maraguanquo" use exactly the same phrasing, so I think they are all quoting to the same source (without attribution). That means whatever the original source may have been could have been in error, and they could all be repeating the same misinformation.
In the U.S., the spelling "marihuana" seems to have been more common than "marijuana" until about the 1950s. In Spanish, there is very little difference in pronunciation between "marihuana" and "marijuana." It would be interesting to know why the standard English spelling apparently shifted to "marijuana" in the 1950s or 60s, but I don't have any information on that, either.
Here's an interesting, but inconclusive, discussion of the word origin of "marijuana," covering a variety of theories:
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