ZOM-THA-NKP-0220250001
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| Si Songkhram 'Khun Seri' General Population 2024 | |
|---|---|
| ZOM-THA-NKP-0220250001 | |
| At a Glance | |
| Classification | Landrace |
| Accession Type | General population |
| Selection Type | Multiple plants |
| Pollination Type | Self |
| Sex expression | Monoecious |
| Primary Purpose | Recreation, Medicine, Food |
| Flowering time | 20–24 weeks |
| Plant height | 2–3 m |
| Photoperiod response | Short-day |
| Aroma | Earthy, spicy, floral, mango, tropical fruit; Earthy spice, herbal musk, tropical fruit undertones |
| Botanical Characteristics | |
| Plant shape | Conical |
| Leaflet width | Narrow |
| Leaflet number | 9 |
| Leaf green colour | Light, dark |
| Stem colour | Medium green |
| Stigma colour | Brown |
| Leaflet serration | Shallow |
| Flower density | Loose |
| Flower cluster shape | Foxtailed |
| Also noted | Apical dominance |
| Processing | |
| Method | Ganja |
| Notes | Whole branches dried and cured in semi-darkness in outdoor sheds |
| Hierarchy | |
| Growing Region | Northeastern Thailand |
| Growing Area | Si Songkhram |
| Location | |
| Country | Thailand |
| Province/State | Nakhon Phanom |
| District | Na Thom District |
| Locality | Don Haet |
| Coordinates | 17.777811, 104.083795 |
| Point type | Obfuscated field point |
| Uncertainty | about 500 m |
| Elevation | 146 m |
| Traditional Names | |
| Local Name | กัญชา |
| Pronunciation | Kạỵchā |
| Translation | Ganja |
| Synonyms | Hang Krarok Phu Phan, Hang Krarok, Hang Suea, Foytong |
| Collection | |
| Method | Seeds |
| Sourcing Type | Point of Origin |
| Autochthonous | Yes |
| Date | 23 February 2024 |
| Harvest Date | 2025 |
| Collector | Isabella |
| Farmer | Khun Seri |
| Expedition | ISAN02 |
| Conservation | |
| Main lot | Zomia Genetic Library Seed lot: Urgent backup copy backup copy: no backup copy
|
| Legal Threats | Legal cultivation permitted |
| Population Est. | 1000 |
| M/F Ratio | 5% |
| Hermaphroditism | 20% |
| Culling | Yes |
| Introgression | Minimal |
| Cultivation | |
| Status | Active |
| System Type | Poly-culture, Mono-cropped, Rotating |
| Scale | Some regional cultivation |
| Seed Sourcing | Seeds are grown on the farm, Seeds are sourced through informal local networks |
| Planting Method | Direct seeding |
| Cycle 1 Planting | July–September |
| Cycle 1 Harvest | December–March |
| Preservation | |
| Seed Storage | Zomia Genetic Library |
Si Songkhram 'Khun Seri' General Population 2024 is a short-day photoperiod Lao-Isan landrace cannabis accession originating from the Si Songkhram region of Nakhon Phanom, Isan, Thailand. This domesticated population represents an open-pollinated general population cultivated by Khun Seri, one of the last traditional farmers maintaining this historic lineage.
The accession preserves the genetic identity of the Si Songkhram landrace, historically prized for its Thai-Stick production and cross-border influence along the Mekong River. The population showcases classic tall, narrow-leaf sativa morphology, high resin production, and a diverse terpene profile ranging from earthy spice and herbal musk to tropical fruit and mango. Seeds were collected by Isabella at the Point of Origin and stored in the Zomia Genetic Library as part of an ongoing effort to document and conserve threatened landrace populations of Northeastern Thailand.
Geography
The accession grows along the banks of the Mekong River in Si Songkhram, Isan, Thailand. Elevations are lowland to midland along river terraces. The warm, dry climate with seasonal monsoons supports tall sativa morphology and a short-day flowering response.
Collection Details
Si Songkhram 'Khun Seri' General Population was collected in 2025 by Isabella from Khun Seri. Seeds were harvested directly on the farm using traditional open-pollination methods. The population shows minimal introgression and retains classic Lao-Isan landrace traits.
Botanical Characteristics
The population is characterized by tall, narrow-leaf sativa morphology with long internodal spacing, strong lateral branching, and high resin production. Plants reach 2–3 meters.
- **Tiger Tail (Hang Suea):** Robust, thick colas, strong lateral branching, dense trichomes. Aromas include earthy spice, herbal musk, and woody undertones. Effects are clear-headed, energizing, and ideal for daytime use. - **Squirrel Tail (Hang Krarok):** Elongated, foxtail-like colas with lighter, airier flowers. Aromas are sweet, floral, tropical fruit, and mango. Effects are uplifting and long-lasting, reflecting classic Mekong sativa qualities.
Conservation Status
High conservation priority. The Si Songkhram landrace is on the brink of extinction due to fewer farmers cultivating it each year and a growing introgression of foreign hybrid genetics. Seeds are maintained in the Zomia Genetic Library to safeguard this rare Lao-Isan landrace.