{"id":"laurus-nobilis","license":"CC-BY-4.0","data":{"scientificName":"Laurus nobilis","commonNames":["Bay Laurel","Bay Leaf Tree","Bay Tree","Grecian Laurel"],"taxonRank":"species","acceptedName":"Laurus nobilis","family":"Lauraceae","ids":{"usdaSymbol":"LANO80","gbifKey":3034015,"itisTsn":503343,"wikidataQid":"Q26006","inatTaxonId":54759},"states":["CA","NC"],"invasiveIn":[{"state":"L48","status":"invasive-reported","source":"us-riis"}],"statusAssertions":[{"status":"invasive","channel":"ecological","geography":{"grain":"aggregate-region","regions":["L48"]},"source":"us-riis-v2","sourceRecordId":"USRIIS-L48-Plantae8826","sourceVersion":"2.0 (November 2022)","asOf":"2022-10-23T00:00:00.000Z","sourceModified":"2017-11-21T00:00:00.000Z","sourceTaxon":{"name":"Laurus nobilis","rank":"species","rawRank":"Species"},"sourceDesignation":{"code":"D2","label":"invasive (category D2)"},"associatedReferences":["USDA Natural Resources Conservation Service (NRCS) PLANTS Database (2021ckl), https://plants.usda.gov/home/plantProfile?symbol=LANO80"],"taxonProjection":{"basis":"exact-taxon","notes":"exact source identifier, rank, family, and scientific/accepted name"}}],"hardinessAssertions":[{"minimum":"8b","maximum":"10b","interpretation":"explicit-range","precision":"half-zone","zoneMapping":"source-stated","applicability":"applicable","source":"nc-plant-toolbox","sourceRecordId":"laurus-nobilis","sourceTaxon":"Laurus nobilis","taxonMatch":"exact","sourcePlacement":"Laurus nobilis profile, USDA Plant Hardiness Zone field","sourceVersion":"live profile accessed 2026-08-26","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"tree","photo":{"file":"/images/plants/laurus-nobilis.jpg","sourceUrl":"https://www.inaturalist.org/photos/184940293","observationUrl":"https://www.inaturalist.org/observations/109703506","license":"cc-by","attribution":"(c) Gianni Del Bufalo bygdb, some rights reserved (CC BY)","fetchedOn":"2026-08-23T00:00:00.000Z"},"evidence":[{"source":"molina-2017-ignition-index","verdict":"avoid","verdictRaw":"Extremely flammable (Valette 5)","score":{"value":5,"scale":"valette-0-5-live-leaf"},"claims":"Table 2 reports 118.6% foliar moisture, 8.86 s mean time to ignition, and 5.9 s mean flame duration across 200 live-leaf samples.","plantPart":"leaf","condition":"green","edition":"2017","url":"https://helvia.uco.es/xmlui/bitstream/10396/27022/3/","documentDate":"2017-01-01T00:00:00.000Z","accessedOn":"2026-08-24T00:00:00.000Z"},{"source":"firewise-uk-dorset-leaflet-2024","verdict":"avoid","verdictRaw":"Red traffic-light class — Bay","claims":"The leaflet warns that dead, dry parts can produce flames over 2.5 m and advises against planting it directly beside a home or shed.","plantPart":"whole-plant","edition":"2024-10","url":"https://www.dorsetheaths.org.uk/wp-content/uploads/2024/10/Firewise-Planting-Leaflet.pdf","documentDate":"2024-10-22T00:00:00.000Z","accessedOn":"2026-08-24T00:00:00.000Z"},{"source":"onf-dfci-haies-2012","verdict":"avoid","verdictRaw":"Forte fire sensitivity","claims":"The fiche's overall sensitivity combines experimental-bench inflammability, intensity, and combustion measurements with foresters' observations of fire damage.","claimOriginal":"Sensibilité au feu : Forte","plantPart":"whole-plant","edition":"2012","url":"https://www.biot.fr/media-file/1393/guide-dfci-haies.pdf","documentDate":"2012-01-01T00:00:00.000Z","accessedOn":"2026-08-24T00:00:00.000Z"},{"source":"girona-pirojardineria-2020","verdict":"avoid","verdictRaw":"DESACONSEJADA","claims":"Laurus nobilis is rated “DESACONSEJADA” by the guide's qualitative IUF garden-suitability method. The method assumes species-specific care and integrates fire evidence with fuel structure, maintenance, origin, invasiveness, and expert fire-service experience.","sourcePlacement":{"value":"not suitable inside the 25-metre maximum-risk zone","scheme":"girona-2020-iuf-25m-suitability"},"edition":"2020 Spanish edition","url":"https://interior.gencat.cat/web/.content/home/030_arees_dactuacio/bombers/foc_forestal/publicacions_tecniques_i_normativa/guies_tecniques/prevencio_i_extincio/2020_Guia_de_pirojardineria_es.pdf","documentDate":"2020-01-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"nc-plant-toolbox","verdict":"recommend","verdictRaw":"low flammability","claims":"NC Toolbox facet capture lists \"Laurus nobilis\" under the low flammability tag.","plantPart":"whole-plant","sourcePlacement":{"value":"laurus-nobilis","scheme":"nc-toolbox-flammability-facet"},"edition":"live facet capture accessed 2026-08-23","url":"https://plants.ces.ncsu.edu/plants/laurus-nobilis/","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"ignition frequency (%): 100","score":{"value":100,"scale":"FLAMITS — ignition frequency (%)"},"claims":"FLAMITS record 1418; Ignitability measurement; plant part branches; fuel all; predrying yes; device grill; site Cui2020a-1; sampling ND. Primary study Cui2020a: Cui, X., Paterson, A. M., Wyse, S. V., Alam, M. A., Maurin, K. J. L., Pieper, R., ... Curran, T. J. (2020a). Shoot flammability of vascular plants is phylogenetically conserved and related to habitat fire-proneness and growth form. Nature Plants, 6, 355-359.","plantPart":"shoot","original":"Cui2020a","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"maximum sample temperature (°C): 463.8","score":{"value":463.8,"scale":"FLAMITS — maximum sample temperature (°C)"},"claims":"FLAMITS record 1612; Combustibility measurement; plant part branches; fuel all; predrying yes; device grill; site Cui2020a-1; sampling ND. Primary study Cui2020a: Cui, X., Paterson, A. M., Wyse, S. V., Alam, M. A., Maurin, K. J. L., Pieper, R., ... Curran, T. J. (2020a). Shoot flammability of vascular plants is phylogenetically conserved and related to habitat fire-proneness and growth form. Nature Plants, 6, 355-359.","plantPart":"shoot","original":"Cui2020a","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burning duration (s): 12.4","score":{"value":12.4,"scale":"FLAMITS — burning duration (s)"},"claims":"FLAMITS record 1806; Sustainability measurement; plant part branches; fuel all; predrying yes; device grill; site Cui2020a-1; sampling ND. Primary study Cui2020a: Cui, X., Paterson, A. M., Wyse, S. V., Alam, M. A., Maurin, K. J. L., Pieper, R., ... Curran, T. J. (2020a). Shoot flammability of vascular plants is phylogenetically conserved and related to habitat fire-proneness and growth form. Nature Plants, 6, 355-359.","plantPart":"shoot","original":"Cui2020a","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"estimated burnt biomass (%): 32","score":{"value":32,"scale":"FLAMITS — estimated burnt biomass (%)"},"claims":"FLAMITS record 2000; Consumability measurement; plant part branches; fuel all; predrying yes; device grill; site Cui2020a-1; sampling ND. Primary study Cui2020a: Cui, X., Paterson, A. M., Wyse, S. V., Alam, M. A., Maurin, K. J. L., Pieper, R., ... Curran, T. J. (2020a). Shoot flammability of vascular plants is phylogenetically conserved and related to habitat fire-proneness and growth form. Nature Plants, 6, 355-359.","plantPart":"shoot","original":"Cui2020a","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"time to flaming (s): 8.58","score":{"value":8.58,"scale":"FLAMITS — time to flaming (s)"},"claims":"FLAMITS record 5557; Ignitability measurement; plant part litter; fuel all; predrying no; device epiradiator; site Kauf2014-1; sampling may. Primary study Kauf2014: Kauf, Z., Fangmeier, A., Rosavec, R., & Španjol, Ž. (2014). Testing Vegetation Flammability: The Problem of Extremely Low Ignition Frequency and Overall Flammability Score. Journal of Combustion, 2014, 1-10.","plantPart":"litter","original":"Kauf2014","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"maximum flame temperature (°C): 588.2","score":{"value":588.2,"scale":"FLAMITS — maximum flame temperature (°C)"},"claims":"FLAMITS record 5565; Combustibility measurement; plant part litter; fuel all; predrying no; device epiradiator; site Kauf2014-1; sampling may. Primary study Kauf2014: Kauf, Z., Fangmeier, A., Rosavec, R., & Španjol, Ž. (2014). Testing Vegetation Flammability: The Problem of Extremely Low Ignition Frequency and Overall Flammability Score. Journal of Combustion, 2014, 1-10.","plantPart":"litter","original":"Kauf2014","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"temperature at flaming (°C): 412.4","score":{"value":412.4,"scale":"FLAMITS — temperature at flaming (°C)"},"claims":"FLAMITS record 5573; Ignitability measurement; plant part litter; fuel all; predrying no; device epiradiator; site Kauf2014-1; sampling may. Primary study Kauf2014: Kauf, Z., Fangmeier, A., Rosavec, R., & Španjol, Ž. (2014). Testing Vegetation Flammability: The Problem of Extremely Low Ignition Frequency and Overall Flammability Score. Journal of Combustion, 2014, 1-10.","plantPart":"litter","original":"Kauf2014","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"flaming duration (s): 28.5","score":{"value":28.5,"scale":"FLAMITS — flaming duration (s)"},"claims":"FLAMITS record 5581; Sustainability measurement; plant part litter; fuel all; predrying no; device epiradiator; site Kauf2014-1; sampling may. Primary study Kauf2014: Kauf, Z., Fangmeier, A., Rosavec, R., & Španjol, Ž. (2014). Testing Vegetation Flammability: The Problem of Extremely Low Ignition Frequency and Overall Flammability Score. Journal of Combustion, 2014, 1-10.","plantPart":"litter","original":"Kauf2014","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burning duration (s): 37.08","score":{"value":37.08,"scale":"FLAMITS — burning duration (s)"},"claims":"FLAMITS record 5589; Sustainability measurement; plant part litter; fuel all; predrying no; device epiradiator; site Kauf2014-1; sampling may. Primary study Kauf2014: Kauf, Z., Fangmeier, A., Rosavec, R., & Španjol, Ž. (2014). Testing Vegetation Flammability: The Problem of Extremely Low Ignition Frequency and Overall Flammability Score. Journal of Combustion, 2014, 1-10.","plantPart":"litter","original":"Kauf2014","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"time to flaming (s): 8.86","score":{"value":8.86,"scale":"FLAMITS — time to flaming (s)"},"claims":"FLAMITS record 9298; Ignitability measurement; plant part leaves; fuel live; predrying no; device epiradiator; site Molina2017-1; sampling summer. Primary study Molina2017: Molina, J. R., Martín, T., Rodríguez Y Silva, F., & Herrera, M. Á. (2017). The ignition index based on flammability of vegetation improves planning in the wildland-urban interface: A case study in Southern Spain. Landscape and Urban Planning, 158, 129-138.","plantPart":"leaf","original":"Molina2017","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"flaming duration (s): 5.9","score":{"value":5.9,"scale":"FLAMITS — flaming duration (s)"},"claims":"FLAMITS record 9316; Sustainability measurement; plant part leaves; fuel live; predrying no; device epiradiator; site Molina2017-1; sampling summer. Primary study Molina2017: Molina, J. R., Martín, T., Rodríguez Y Silva, F., & Herrera, M. Á. (2017). The ignition index based on flammability of vegetation improves planning in the wildland-urban interface: A case study in Southern Spain. Landscape and Urban Planning, 158, 129-138.","plantPart":"leaf","original":"Molina2017","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"flammability value: 5","score":{"value":5,"scale":"FLAMITS — flammability value"},"claims":"FLAMITS record 9334; Ignitability measurement; plant part leaves; fuel live; predrying no; device epiradiator; site Molina2017-1; sampling summer. Primary study Molina2017: Molina, J. R., Martín, T., Rodríguez Y Silva, F., & Herrera, M. Á. (2017). The ignition index based on flammability of vegetation improves planning in the wildland-urban interface: A case study in Southern Spain. Landscape and Urban Planning, 158, 129-138.","plantPart":"leaf","original":"Molina2017","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"time to flaming (s): 29","score":{"value":29,"scale":"FLAMITS — time to flaming (s)"},"claims":"FLAMITS record 15815; Ignitability measurement; plant part litter; fuel all; predrying no; device calorimeter; site Belcher2017-1; sampling . Primary study Belcher2017: Belcher, C. M., & Hudspith, V. A. (2017). Changes to Cretaceous surface fire behaviour influenced the spread of the early angiosperms. New Phytologist, 213, 1521-1532.","plantPart":"litter","original":"Belcher2017","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"time to flaming (s): 4","score":{"value":4,"scale":"FLAMITS — time to flaming (s)"},"claims":"FLAMITS record 15820; Ignitability measurement; plant part litter; fuel all; predrying no; device calorimeter; site Belcher2017-1; sampling . Primary study Belcher2017: Belcher, C. M., & Hudspith, V. A. (2017). Changes to Cretaceous surface fire behaviour influenced the spread of the early angiosperms. New Phytologist, 213, 1521-1532.","plantPart":"litter","original":"Belcher2017","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"calorific value (kcal/kg): 4151.14","score":{"value":4151.14,"scale":"FLAMITS — calorific value (kcal/kg)"},"claims":"FLAMITS record 15825; Combustibility measurement; plant part litter; fuel all; predrying no; device calorimeter; site Belcher2017-1; sampling . Primary study Belcher2017: Belcher, C. M., & Hudspith, V. A. (2017). Changes to Cretaceous surface fire behaviour influenced the spread of the early angiosperms. New Phytologist, 213, 1521-1532.","plantPart":"litter","original":"Belcher2017","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"maximum flame temperature (°C): 832.15","score":{"value":832.15,"scale":"FLAMITS — maximum flame temperature (°C)"},"claims":"FLAMITS record 16249; Combustibility measurement; plant part branches; fuel all; predrying yes; device grill; site Pacheco2022-1; sampling october to november 2022. Primary study Pacheco2022: Pacheco, A. S., Goodman, H. D., Hankenson, L., Fisk, J. J., Ortiz, A., Marinace, H. M., ...  Tng, D. Y. P. (2022). Fighting fire with food: Assessing the flammability of crop plant species for building fire resilient agroforestry systems. in review, preprint.","plantPart":"shoot","original":"Pacheco2022","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burning duration (s): 12.5","score":{"value":12.5,"scale":"FLAMITS — burning duration (s)"},"claims":"FLAMITS record 16250; Sustainability measurement; plant part branches; fuel all; predrying yes; device grill; site Pacheco2022-1; sampling october to november 2022. Primary study Pacheco2022: Pacheco, A. S., Goodman, H. D., Hankenson, L., Fisk, J. J., Ortiz, A., Marinace, H. M., ...  Tng, D. Y. P. (2022). Fighting fire with food: Assessing the flammability of crop plant species for building fire resilient agroforestry systems. in review, preprint.","plantPart":"shoot","original":"Pacheco2022","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"estimated burnt biomass (%): 7.5","score":{"value":7.5,"scale":"FLAMITS — estimated burnt biomass (%)"},"claims":"FLAMITS record 16251; Consumability measurement; plant part branches; fuel all; predrying yes; device grill; site Pacheco2022-1; sampling october to november 2022. Primary study Pacheco2022: Pacheco, A. S., Goodman, H. D., Hankenson, L., Fisk, J. J., Ortiz, A., Marinace, H. M., ...  Tng, D. Y. P. (2022). Fighting fire with food: Assessing the flammability of crop plant species for building fire resilient agroforestry systems. in review, preprint.","plantPart":"shoot","original":"Pacheco2022","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burnt biomass (%): 5","score":{"value":5,"scale":"FLAMITS — burnt biomass (%)"},"claims":"FLAMITS record 18364; consumability measurement; plant part leaves; fuel live; predrying yes; device thermal analyzer; site Wesolowski2003-1; sampling ND. Primary study Wesolowski2003: Weso?owski, M., & Konieczynski, P. (2003). Thermal decomposition and elemental composition of medicinal plant materials—Leaves and flowers Principal component analysis of the results. Thermochimica Acta, 397, 171–180.","plantPart":"leaf","original":"Wesolowski2003","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burnt biomass (%): 52","score":{"value":52,"scale":"FLAMITS — burnt biomass (%)"},"claims":"FLAMITS record 18391; consumability measurement; plant part leaves; fuel live; predrying yes; device thermal analyzer; site Wesolowski2003-1; sampling ND. Primary study Wesolowski2003: Weso?owski, M., & Konieczynski, P. (2003). Thermal decomposition and elemental composition of medicinal plant materials—Leaves and flowers Principal component analysis of the results. Thermochimica Acta, 397, 171–180.","plantPart":"leaf","original":"Wesolowski2003","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burnt biomass (%): 39.5","score":{"value":39.5,"scale":"FLAMITS — burnt biomass (%)"},"claims":"FLAMITS record 18418; consumability measurement; plant part leaves; fuel live; predrying yes; device thermal analyzer; site Wesolowski2003-1; sampling ND. Primary study Wesolowski2003: Weso?owski, M., & Konieczynski, P. (2003). Thermal decomposition and elemental composition of medicinal plant materials—Leaves and flowers Principal component analysis of the results. Thermochimica Acta, 397, 171–180.","plantPart":"leaf","original":"Wesolowski2003","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"maximum flame temperature (°C): 85","score":{"value":85,"scale":"FLAMITS — maximum flame temperature (°C)"},"claims":"FLAMITS record 18445; Combustibility measurement; plant part leaves; fuel live; predrying yes; device thermal analyzer; site Wesolowski2003-1; sampling ND. Primary study Wesolowski2003: Weso?owski, M., & Konieczynski, P. (2003). Thermal decomposition and elemental composition of medicinal plant materials—Leaves and flowers Principal component analysis of the results. Thermochimica Acta, 397, 171–180.","plantPart":"leaf","original":"Wesolowski2003","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"maximum flame temperature (°C): 270","score":{"value":270,"scale":"FLAMITS — maximum flame temperature (°C)"},"claims":"FLAMITS record 18472; Combustibility measurement; plant part leaves; fuel live; predrying yes; device thermal analyzer; site Wesolowski2003-1; sampling ND. Primary study Wesolowski2003: Weso?owski, M., & Konieczynski, P. (2003). Thermal decomposition and elemental composition of medicinal plant materials—Leaves and flowers Principal component analysis of the results. Thermochimica Acta, 397, 171–180.","plantPart":"leaf","original":"Wesolowski2003","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"maximum flame temperature (°C): 415","score":{"value":415,"scale":"FLAMITS — maximum flame temperature (°C)"},"claims":"FLAMITS record 18499; Combustibility measurement; plant part leaves; fuel live; predrying yes; device thermal analyzer; site Wesolowski2003-1; sampling ND. Primary study Wesolowski2003: Weso?owski, M., & Konieczynski, P. (2003). Thermal decomposition and elemental composition of medicinal plant materials—Leaves and flowers Principal component analysis of the results. Thermochimica Acta, 397, 171–180.","plantPart":"leaf","original":"Wesolowski2003","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"flame height (cm): 0.5","score":{"value":0.5,"scale":"FLAMITS — flame height (cm)"},"claims":"FLAMITS record 18526; Combustibility measurement; plant part leaves; fuel live; predrying yes; device thermal analyzer; site Wesolowski2003-1; sampling ND. Primary study Wesolowski2003: Weso?owski, M., & Konieczynski, P. (2003). Thermal decomposition and elemental composition of medicinal plant materials—Leaves and flowers Principal component analysis of the results. Thermochimica Acta, 397, 171–180.","plantPart":"leaf","original":"Wesolowski2003","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"flame height (cm): 2.5","score":{"value":2.5,"scale":"FLAMITS — flame height (cm)"},"claims":"FLAMITS record 18553; Combustibility measurement; plant part leaves; fuel live; predrying yes; device thermal analyzer; site Wesolowski2003-1; sampling ND. Primary study Wesolowski2003: Weso?owski, M., & Konieczynski, P. (2003). Thermal decomposition and elemental composition of medicinal plant materials—Leaves and flowers Principal component analysis of the results. Thermochimica Acta, 397, 171–180.","plantPart":"leaf","original":"Wesolowski2003","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"flame height (cm): 1.1","score":{"value":1.1,"scale":"FLAMITS — flame height (cm)"},"claims":"FLAMITS record 18580; Combustibility measurement; plant part leaves; fuel live; predrying yes; device thermal analyzer; site Wesolowski2003-1; sampling ND. Primary study Wesolowski2003: Weso?owski, M., & Konieczynski, P. (2003). Thermal decomposition and elemental composition of medicinal plant materials—Leaves and flowers Principal component analysis of the results. Thermochimica Acta, 397, 171–180.","plantPart":"leaf","original":"Wesolowski2003","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"maximum flame temperature (°C): 85","score":{"value":85,"scale":"FLAMITS — maximum flame temperature (°C)"},"claims":"FLAMITS record 18607; Combustibility measurement; plant part leaves; fuel live; predrying yes; device thermal analyzer; site Wesolowski2003-1; sampling ND. Primary study Wesolowski2003: Weso?owski, M., & Konieczynski, P. (2003). Thermal decomposition and elemental composition of medicinal plant materials—Leaves and flowers Principal component analysis of the results. Thermochimica Acta, 397, 171–180.","plantPart":"leaf","original":"Wesolowski2003","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"maximum flame temperature (°C): 300","score":{"value":300,"scale":"FLAMITS — maximum flame temperature (°C)"},"claims":"FLAMITS record 18634; Combustibility measurement; plant part leaves; fuel live; predrying yes; device thermal analyzer; site Wesolowski2003-1; sampling ND. Primary study Wesolowski2003: Weso?owski, M., & Konieczynski, P. (2003). Thermal decomposition and elemental composition of medicinal plant materials—Leaves and flowers Principal component analysis of the results. Thermochimica Acta, 397, 171–180.","plantPart":"leaf","original":"Wesolowski2003","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"maximum flame temperature (°C): 480","score":{"value":480,"scale":"FLAMITS — maximum flame temperature (°C)"},"claims":"FLAMITS record 18661; Combustibility measurement; plant part leaves; fuel live; predrying yes; device thermal analyzer; site Wesolowski2003-1; sampling ND. Primary study Wesolowski2003: Weso?owski, M., & Konieczynski, P. (2003). Thermal decomposition and elemental composition of medicinal plant materials—Leaves and flowers Principal component analysis of the results. Thermochimica Acta, 397, 171–180.","plantPart":"leaf","original":"Wesolowski2003","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"canberra-plant-selector","verdict":"recommend","verdictRaw":"Fire Retardant — Yes — Laurus nobilis","claims":"The live Canberra Plant Selector marks “Laurus nobilis” as “Fire Retardant: Yes.”","plantPart":"whole-plant","sourcePlacement":{"value":"filtered result page 1","scheme":"canberra-selector"},"edition":"live tool capture 2026-08-25","url":"https://plantselector.com.au/browse-plants/?fire_retardant%5B0%5D=1","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"isees-2021-judean-hills","verdict":"recommend","verdictRaw":"מיני עצים דליקים פחות מאורנים, כדוגמת — Laurus nobilis","claims":"The authors name this exact species as an example of a tree less flammable than pines for high, shading groves in public-use forest areas and their access roads.","plantPart":"whole-plant","sourcePlacement":{"value":"recommendations, treatment of public-use forest areas","scheme":"judean-hills-2021-less-flammable-than-pine"},"edition":"Ecology and Environment 12(4)","url":"https://magazine.isees.org.il/?p=38821","documentDate":"2022-02-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"}],"flammabilityClass":"highly-flammable","ratingReason":"consensus","recommendation":"avoid","author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-26T00:00:00.000Z","reviewNotes":"Photo auto-selected (top-voted iNat); human review pending."},"localAssessmentInputs":{"stateDistribution":["CA","NC"],"nativeStates":[],"rangeAssertions":[{"relation":"documented-occurrence","geography":{"grain":"state","stateCodes":["CA","NC"]},"provenance":"legacy-field"}],"usdaZoneMin":null,"usdaZoneMax":null,"hardinessAssertions":[{"minimum":"8b","maximum":"10b","interpretation":"explicit-range","precision":"half-zone","zoneMapping":"source-stated","applicability":"applicable","source":"nc-plant-toolbox","sourceRecordId":"laurus-nobilis","sourceTaxon":"Laurus nobilis","taxonMatch":"exact","sourcePlacement":"Laurus nobilis profile, USDA Plant Hardiness Zone field","sourceVersion":"live profile accessed 2026-08-26","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}],"hardinessSelection":{"status":"selected","assertion":{"minimum":"8b","maximum":"10b","interpretation":"explicit-range","precision":"half-zone","zoneMapping":"source-stated","applicability":"applicable","source":"nc-plant-toolbox","sourceRecordId":"laurus-nobilis","sourceTaxon":"Laurus nobilis","taxonMatch":"exact","sourcePlacement":"Laurus nobilis profile, USDA Plant Hardiness Zone field","sourceVersion":"live profile accessed 2026-08-26","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},"assertions":[{"minimum":"8b","maximum":"10b","interpretation":"explicit-range","precision":"half-zone","zoneMapping":"source-stated","applicability":"applicable","source":"nc-plant-toolbox","sourceRecordId":"laurus-nobilis","sourceTaxon":"Laurus nobilis","taxonMatch":"exact","sourcePlacement":"Laurus nobilis profile, USDA Plant Hardiness Zone field","sourceVersion":"live profile accessed 2026-08-26","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}]},"invasiveIn":[{"state":"L48","status":"invasive-reported","source":"us-riis"}],"statusAssertions":[{"status":"invasive","channel":"ecological","geography":{"grain":"aggregate-region","regions":["L48"]},"source":"us-riis-v2","sourceRecordId":"USRIIS-L48-Plantae8826","sourceVersion":"2.0 (November 2022)","asOf":"2022-10-23T00:00:00.000Z","sourceModified":"2017-11-21T00:00:00.000Z","sourceTaxon":{"name":"Laurus nobilis","rank":"species","rawRank":"Species"},"sourceDesignation":{"code":"D2","label":"invasive (category D2)"},"associatedReferences":["USDA Natural Resources Conservation Service (NRCS) PLANTS Database (2021ckl), https://plants.usda.gov/home/plantProfile?symbol=LANO80"],"taxonProjection":{"basis":"exact-taxon","notes":"exact source identifier, rank, family, and scientific/accepted name"},"provenance":"cited"}],"fireEvidenceClass":"highly-flammable","recommendation":"avoid","fireSourceScopes":[],"firePerformanceConditions":[{"condition":"green","evidence":[{"source":"molina-2017-ignition-index","verdict":"avoid","url":"https://helvia.uco.es/xmlui/bitstream/10396/27022/3/","claims":"Table 2 reports 118.6% foliar moisture, 8.86 s mean time to ignition, and 5.9 s mean flame duration across 200 live-leaf samples.","evidenceIndex":0}]}],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":[],"invasiveIn":[{"state":"L48","status":"invasive-reported","source":"us-riis-v2"}],"usdaZoneMin":"8b","usdaZoneMax":"10b"},"localAssessmentContract":"Compare each dimension separately. State noxious-weed seed designations are material-scoped and never become non-seed plant restrictions, ecological-invasive findings, nursery restrictions, alternatives, product evidence, or fire votes. Introduced/established context is not an invasive warning. Minimum-only hardiness has no inferred maximum; canonical source-temperature conversion is validated and contradictory applicable rows project no primary zone. L48 context applies only to conterminous states and is never exact-state status. Fire-performance conditions are not maintenance advice. FEIS fire-ecology context does not vote in the plant classification. Absence of a status row is not regulatory clearance."}