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Landrace.wiki
The open database for landrace cannabis populations, their genetics and the traditional knowledge that sustains them.
Stable8
Vulnerable21
Endangered43
Critical89
Extinct127
Unknown161
Featured Accessions
We are witnessing the rapid disappearance of traditional cultivation knowledge and genetic diversity in cannabis. These landrace populations represent thousands of years of natural and human selection, containing unique genetic traits and chemical profiles. Systematic documentation and conservation efforts can serve as a bridge—preserving irreplaceable genetic heritage while supporting traditional communities and advancing our understanding of this remarkable plant.
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ZOM-IND-WEB-0620250044
Uttar Khairbari General Population 2025 is a domesticate landrace cannabis accession collected by Isabella and Éloïse of the Zomia Collective in West Bengal, India.
History of Opium in Sri Lanka (Uragoda 1983)
"History of Opium in Sri Lanka" is a scholarly article by C.G. Uragoda, published in the journal Medical History (volume 27, pages 69–76) in January 1983 by Cambridge University Press. The article is an important secondary source for the history of opium and cannabis regulation in colonial Ceylon, providing documented citation chains to primary colonial government records across a period spanning the Dutch administration through the early twentieth century.
Uragoda traces regulation from the Dutch period (with opium imported from Surat and Bengal as recorded in Governor Van Goens's 1663 memoirs), through the establishment of the first licensed opium shop at Chilaw around 1850, to the Opium and Bhang Ordinance of 1867 which placed both substances under a licensed dealer system. Governor Sir West Ridgeway doubled the opium duty and banned the import of bang (ganja) in 1897, and parliamentary questioning in the House of Commons in 1907, including a reply from the young Winston Churchill as Under-Secretary of State for the Colonies, led to the appointment of the Allan Perry committee and the eventual closure of all opium shops. read more →
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4 July 2026
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01:57 | Ethnobotanical Aspects of Cannabis in Southeast Asia (1975) 2 changes history −469 [Eloise Zomia (2×)] | |||
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01:57 (cur | prev) +202 Eloise Zomia talk contribs (CS1 conform: convert raw-inline refs to cite templates) | ||||
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01:03 (cur | prev) −671 Eloise Zomia talk contribs (Re-type Historical Source -> Book chapter; up-link parent volume; harmonise imprint) | ||||
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N 01:57 | Template:Infobox Book chapter 2 changes history +3,031 [Eloise Zomia (2×)] | |||
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01:57 (cur | prev) +34 Eloise Zomia talk contribs (Emit Has source editor from editor param) | ||||
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01:03 (cur | prev) +2,997 Eloise Zomia talk contribs (Create {{Infobox Book chapter}} (new Book chapter page type)) | |||
| 01:57 | Template:Infobox Historical Source diffhist +34 Eloise Zomia talk contribs (Emit Has source editor from editor param) | ||||
| 01:57 | Template:Infobox book diffhist +46 Eloise Zomia talk contribs (Emit Has source editor; Has source author falls back to editor for edited volumes) | ||||
| N 01:03 | Cannabis and Culture (1975) diffhist +12,565 Eloise Zomia talk contribs (Create Cannabis and Culture (1975) Book page (Vera Rubin ed., Mouton 1975)) | ||||
| N 01:03 | Category:Book chapters diffhist +308 Eloise Zomia talk contribs (Create Category:Book chapters) | ||||
| N 01:03 | Property:Has parent volume diffhist +362 Eloise Zomia talk contribs (Create Has parent volume (Page-typed): links a Book chapter to its parent Book volume) | ||||
3 July 2026
| N 19:40 | Research:2025-01-01/Journal article/comparative-analysis-of-cannabis-legalization-in-south-africa-and-zimbabwe-trajectories-commonalities-and diffhist +1,557 Eloise Zomia talk contribs (Create ResearchItem record (South Africa batch 2026-07-03; citation-verified via Crossref)) | ||||