{"id":"arctostaphylos-parryana","license":"CC-BY-4.0","data":{"scientificName":"Arctostaphylos parryana","commonNames":["Arctostaphylos parryana"],"taxonRank":"species","acceptedName":"Arctostaphylos parryana","family":"Ericaceae","ids":{"usdaSymbol":"ARPA6","gbifKey":2882531},"usdaZoneMin":"4a","zoneSource":"usda-plants","states":["AZ","CA","CO","MT","NM","NV","OR","UT","WA"],"rangeAssertions":[{"relation":"native","geography":{"grain":"state","stateCodes":["CA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 76 — Southwestern U.S.A.","TDWG level 3 CAL — California"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"}],"hardinessAssertions":[{"minimum":"4a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-28,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"ARPA6","sourceTaxon":"Arctostaphylos parryana","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 65007, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"shrub","matureHeightFt":5,"waterNeed":"low","evidence":[{"source":"flamits","verdict":"not-rated","verdictRaw":"temperature at flaming (°C): 339","score":{"value":339,"scale":"FLAMITS — temperature at flaming (°C)"},"claims":"FLAMITS record 3303; Ignitability measurement; plant part leaves; fuel live; predrying no; device flat flame burner; site Engstrom2004-1; sampling ND. Primary study Engstrom2004: Engstrom, J. D., Butler, J. K., Smith, S. G., Baxter, L. L., Fletcher, T. H., & Weise, D. R. (2004). Ignition behavior of live California chaparral leaves. Combustion Science and Technology, 176, 1577-1591.","plantPart":"leaf","original":"Engstrom2004","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): 346","score":{"value":346,"scale":"FLAMITS — temperature at flaming (°C)"},"claims":"FLAMITS record 12921; Ignitability measurement; plant part leaves; fuel live; predrying no; device flat flame burner; site Smith2003-1; sampling ND. Primary study Smith2003: Smith, S. G., Engstrom, J. D., Butler, J. K., Baxter, L. L., Fletcher, T. H., & Weise, D. R. (2003). Ignition behavior of live California chaparral leaves. 2nd International Wildland Fire Ecology and Fire Management Congress. Orlando, FL. USA.","plantPart":"leaf","original":"Smith2003","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): 380","score":{"value":380,"scale":"FLAMITS — temperature at flaming (°C)"},"claims":"FLAMITS record 12922; Ignitability measurement; plant part leaves; fuel live; predrying no; device flat flame burner; site Smith2003-1; sampling ND. Primary study Smith2003: Smith, S. G., Engstrom, J. D., Butler, J. K., Baxter, L. L., Fletcher, T. H., & Weise, D. R. (2003). Ignition behavior of live California chaparral leaves. 2nd International Wildland Fire Ecology and Fire Management Congress. Orlando, FL. USA.","plantPart":"leaf","original":"Smith2003","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): 463","score":{"value":463,"scale":"FLAMITS — temperature at flaming (°C)"},"claims":"FLAMITS record 12923; Ignitability measurement; plant part leaves; fuel live; predrying no; device flat flame burner; site Smith2003-1; sampling ND. Primary study Smith2003: Smith, S. G., Engstrom, J. D., Butler, J. K., Baxter, L. L., Fletcher, T. H., & Weise, D. R. (2003). Ignition behavior of live California chaparral leaves. 2nd International Wildland Fire Ecology and Fire Management Congress. Orlando, FL. USA.","plantPart":"leaf","original":"Smith2003","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): 2.07","score":{"value":2.07,"scale":"FLAMITS — time to flaming (s)"},"claims":"FLAMITS record 12924; Ignitability measurement; plant part leaves; fuel live; predrying no; device flat flame burner; site Smith2003-1; sampling ND. Primary study Smith2003: Smith, S. G., Engstrom, J. D., Butler, J. K., Baxter, L. L., Fletcher, T. H., & Weise, D. R. (2003). Ignition behavior of live California chaparral leaves. 2nd International Wildland Fire Ecology and Fire Management Congress. Orlando, FL. USA.","plantPart":"leaf","original":"Smith2003","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): 8.35","score":{"value":8.35,"scale":"FLAMITS — time to flaming (s)"},"claims":"FLAMITS record 12925; Ignitability measurement; plant part leaves; fuel live; predrying no; device flat flame burner; site Smith2003-1; sampling ND. Primary study Smith2003: Smith, S. G., Engstrom, J. D., Butler, J. K., Baxter, L. L., Fletcher, T. H., & Weise, D. R. (2003). Ignition behavior of live California chaparral leaves. 2nd International Wildland Fire Ecology and Fire Management Congress. Orlando, FL. USA.","plantPart":"leaf","original":"Smith2003","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"}],"flammabilityClass":"mixed-evidence","ratingReason":"limited-evidence","recommendation":"candidate","author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-25T00:00:00.000Z","reviewNotes":"FLAMITS measurements are retained as non-voting evidence; the database publishes no cross-variable directional threshold."},"localAssessmentInputs":{"stateDistribution":["AZ","CA","CO","MT","NM","NV","OR","UT","WA"],"nativeStates":[],"rangeAssertions":[{"relation":"native","geography":{"grain":"state","stateCodes":["CA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 76 — Southwestern U.S.A.","TDWG level 3 CAL — California"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"documented-occurrence","geography":{"grain":"state","stateCodes":["AZ","CA","CO","MT","NM","NV","OR","UT","WA"]},"provenance":"legacy-field"}],"usdaZoneMin":"4a","usdaZoneMax":null,"hardinessAssertions":[{"minimum":"4a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-28,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"ARPA6","sourceTaxon":"Arctostaphylos parryana","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 65007, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}],"hardinessSelection":{"status":"selected","assertion":{"minimum":"4a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-28,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"ARPA6","sourceTaxon":"Arctostaphylos parryana","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 65007, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},"assertions":[{"minimum":"4a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-28,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"ARPA6","sourceTaxon":"Arctostaphylos parryana","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 65007, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}]},"invasiveIn":[],"statusAssertions":[],"fireEvidenceClass":"mixed-evidence","recommendation":"candidate","fireSourceScopes":[],"firePerformanceConditions":[],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":["CA"],"invasiveIn":[],"usdaZoneMin":"4a"},"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."}