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Cannabis ruderalis is a putative species of Cannabis originating in central Asia. 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 is purported to go into budding based strictly on age and not on changes in length of daylight. This kind of flowering is also known as auto-flowering.[1]. Image File history File links Cannabis_ruderalis. ...
Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms (as opposed to folk taxonomy). ...
Divisions Land plants (embryophytes) Non-vascular plants (bryophytes) Marchantiophyta - liverworts Anthocerotophyta - hornworts Bryophyta - mosses Vascular plants (tracheophytes) Lycopodiophyta - clubmosses Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongues Seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta - ginkgo Gnetophyta - gnetae Magnoliophyta - flowering plants Adiantum pedatum (a fern...
Classes Magnoliopsida- Dicots Liliopsida- Monocots The flowering plants (also called angiosperms) are a major group of land plants. ...
Young castor oil plant showing its prominent two embryonic leaves (cotyledons), that differ from the adult leaves An example of a trimerous and non-eudicot flower: Magnolia Dicotyledons or dicots are a group of flowering plants whose seed typically contains two embryonic leaves or cotyledons. ...
Families Barbeyaceae Cannabaceae (hemp family) Dirachmaceae Elaeagnaceae Moraceae (mulberry family) Rosaceae (rose family) Rhamnaceae (buckthorn family) Ulmaceae (elm family) Urticaceae (nettle family) For the Philippine municipality, see Rosales, Pangasinan. ...
Genera Cannabis -- Hemp Humulus - Hops Cannabaceae is a family of flowering plants consisting of the genera Cannabis and Humulus. ...
Species Cannabis indica Cannabis ruderalis Cannabis sativa This is one of several related articles about cannabis. ...
In biology, binomial nomenclature is the formal method of naming species. ...
Species Cannabis indica Cannabis ruderalis Cannabis sativa This is one of several related articles about cannabis. ...
World map showing the location of Asia. ...
Cannabis indica Lam. ...
Binomial name Cannabis sativa Linnaeus Cannabis sativa, also known as hemp, is a species of Cannabis. ...
Cannabis ruderalis has a lower THC content than either C. sativa or C. indica; thus, it has little use as a drug. However, C. indica drug strains are frequently cross-bred with C. ruderalis to produce plants combining a higher THC content with the hardiness and reduced height of ruderalis. Tetrahydrocannabinol, also known as THC, Δ9-THC, Δ9-tetrahydrocannabinol (delta-9-tetrahydrocannabinol), Δ¹-tetrahydrocannabinol (using an older numbering scheme), or dronabinol, is the main psychoactive substance found in the Cannabis plant. ...
The term 'Ruderalis' was originally used in the former Soviet Union to describe the varieties of hemp that had escaped cultivation and adapted to the surrounding region.
Similar Ruderalis populations can be found in most of the areas where hemp cultivation was once prevalent. The most notable region in North America is the midwest, though populations occur sporadically throughout the United States and Canada. Without the human hand aiding in selection, these plants have lost many of the traits they were originally selected for, and have acclimatized to their locale.
Though they contain little THC, these plants hold large potential for use in breeding, both in hemp and marijuana applications. Early flowering and resistance to locally significant insect and disease pressures are but a few of the important traits present in these feral populations.
Despite years of US government sponsored eradication programs, these wild plants still remain in bountiful abundance.
Marijuana smokers often call this wild cannabis "ditch weed."
References
- ^ Greg Green. 2005. The Cannabis Breeder’s Bible. Green Candy Press 14
Greg Green is the author of two noted books on cannabis cultivation and genetics. ...
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