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Landrace.wiki

The encyclopedia and open conservation database for landrace cannabis populations, their genetics and the traditional knowledge that sustains them.

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Filter by collection year, classification, priority or provenance, and select a marker for accession details. Every figure on this card describes the accessions currently shown. A further 81 documented accessions carry no coordinates yet and cannot be mapped.

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466Accessions shown

40Growing areas represented

15Growing regions represented

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39%of the accessions shown are assessed as critical or high conservation priority. Help document them

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An accession is a sample or observation recorded at a specific place and time. An appellation is a locally recognised name tied to place and tradition.

All accessionsEvery documented sample and observation

ClassificationLandrace, feral, specimen and related accession types

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Growing regionA broad ecological and cultural grouping

Growing areaA specific cultivation zone within a region

AppellationA recognised name tied to place and tradition

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Featured accessionSurapat 316 (1959)

Thailand Collected 1959 Herbarium specimen

Surapat 316 is a herbarium accession of Cannabis sativa collected in Bangkok, Thailand, on 4 May 1959 by Pranee Surapat. The herbarium of Indiana University holds the sheet as catalogue IND-0061126, with the university number 102477. GBIF publishes it as preserved specimen occurrence 5070635362.

CollectionHerbarium specimenHistorical

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Places

Featured growing regions and areas

Growing region

Western Himalayas

Himalayas

Major Himalayan charas-producing cultivation region across northern India's temperate valleys and highland basins

Jalpaiguri

North Bengal Plains

Ketama

Rif Mountains

Khairbari-Deogaon

The Dooars

Kirivong

Southern Cambodia

All 15 growing regions · All 43 growing areas

Featured article

Eenige bijzonderheden omtrent Cannabis sativa, var. indica ("Some particulars concerning Cannabis sativa var. indica") is an eight-page article by the pharmacologist W. G. Boorsma published in 1892 in Teysmannia, the horticultural and agricultural journal edited from 's Lands Plantentuin at Buitenzorg, in its third annual volume (derde deel). It is a general account of the hemp plant written for a colonial readership: it summarises the plant's botany and geography, the history of its use in Asia and Europe, the Indian trade grades and preparations and the chemistry then attributed to its effects. Its value for the record of cannabis in the Indonesian archipelago lies in three short passages. Boorsma reproduces, in the original Dutch, the personal observations of Rumphius on cannabis intoxication on Ambon in the 17th century. … read more →

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Research

Venue: Health Research Policy and Systems

7 Sep 2026

Knowledge translation and evidence use in medicinal cannabis policy: An evidence brief on regulation, effectiveness, safety and stakeholder support in Colombia

A knowledge-translation study from the Unit of Evidence and Deliberation for Decision Making at the University of Antioquia in Medellín, reporting how an evidence brief on the regulation, effectiveness, safety and stakeholder support of medicinal cannabis was assembled and put before Colombia's Ministry of Health. Its interest for the corpus is procedural rather than botanical: it documents how research evidence and stakeholder opinion were marshalled into a national cannabis regulatory process, in a producer country whose policy record the wiki otherwise holds through enforcement reporting.

Source

18 Jul 2026 · Journal of Cannabis Research

Terroir-driven phenolic chemotypes and antioxidant/antimicrobial activities of Beldia (Cannabis sativa L.) seed extracts

Source

1 Jul 2026 · Plant Disease

Screening Diverse Cannabis sativa Germplasm for Resistance to Golovinomyces ambrosiae

Source

30 Jun 2026 · Acta Theologica

Cannabis Sativa, religion and society: Historical, medicinal, legal, and sacramental perspectives

Source

28 Jun 2026 · International Journal of Drug Policy

Value capture in the emerging medical cannabis global value chain: insights from South Africa