{"id":"paxistima-myrsinites","license":"CC-BY-4.0","data":{"scientificName":"Paxistima myrtifolia","commonNames":["Oregon Boxwood"],"taxonRank":"species","acceptedName":"Paxistima myrsinites","family":"Celastraceae","ids":{"usdaSymbol":"PAMY","gbifKey":7265696},"usdaZoneMin":"5a","usdaZoneMax":"9b","zoneSource":"osu-em-9103","states":["AZ","CA","CO","ID","MT","NM","OR","TX","UT","WA","WY"],"hardinessAssertions":[{"minimum":"5","maximum":"9","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"osu-em-9103","sourceTaxon":"Paxistima myrtifolia","taxonMatch":"exact","sourcePlacement":"Oregon Boxwood profile (PDF page 141)","sourceVersion":"EM 9103, February 2015","asOf":"2026-08-26T00:00:00.000Z"},{"minimum":"5","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"broadleaf-evergreens:Oregon boxwood","sourceTaxon":"Paxistima myrtifolia","taxonMatch":"exact","sourcePlacement":"Oregon boxwood profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"shrub","evidence":[{"source":"osu-em-9103","verdict":"recommend","verdictRaw":"fire-resistant plants that thrive in Willamette Valley growing conditions","claims":"The shrubs & woody vines profile lists Paxistima myrtifolia as Oregon Boxwood. The profile prints USDA Hardiness Zone: 5–9.","plantPart":"whole-plant","sourcePlacement":{"value":"Oregon Boxwood profile (PDF page 141)","scheme":"osu-em-9103-profile"},"edition":"EM 9103, February 2015","url":"https://www.canbyfire.org/files/074d2a9e3/Fire-Resistant-Plants_Willamette-Valley.pdf","documentDate":"2015-02-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"osu-plant-profile-galleries","verdict":"recommend","verdictRaw":"Choose the right broadleaf evergreen plants for your fire-resistant landscape","claims":"The Oregon boxwood profile prints Paxistima myrtifolia. The gallery points to PNW 590 for complete details.","plantPart":"whole-plant","sourcePlacement":{"value":"Oregon boxwood — Paxistima myrtifolia","scheme":"osu-2023-broadleaf-evergreens-gallery"},"edition":"November 2023 educational gallery","url":"https://extension.oregonstate.edu/gallery/fire-resistant-plant-profiles-broadleaf-evergreens","documentDate":"2023-11-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"}],"flammabilityClass":"fire-resistant","ratingReason":"limited-evidence","recommendation":"on-list","author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-25T00:00:00.000Z","reviewNotes":"EM 9103 profile identity matched exactly to GBIF backbone key 7265696."},"localAssessmentInputs":{"stateDistribution":["AZ","CA","CO","ID","MT","NM","OR","TX","UT","WA","WY"],"nativeStates":[],"rangeAssertions":[{"relation":"documented-occurrence","geography":{"grain":"state","stateCodes":["AZ","CA","CO","ID","MT","NM","OR","TX","UT","WA","WY"]},"provenance":"legacy-field"}],"usdaZoneMin":"5a","usdaZoneMax":"9b","hardinessAssertions":[{"minimum":"5","maximum":"9","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"osu-em-9103","sourceTaxon":"Paxistima myrtifolia","taxonMatch":"exact","sourcePlacement":"Oregon Boxwood profile (PDF page 141)","sourceVersion":"EM 9103, February 2015","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"5","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"broadleaf-evergreens:Oregon boxwood","sourceTaxon":"Paxistima myrtifolia","taxonMatch":"exact","sourcePlacement":"Oregon boxwood profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}],"hardinessSelection":{"status":"overlapping","assertions":[{"minimum":"5","maximum":"9","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"osu-em-9103","sourceTaxon":"Paxistima myrtifolia","taxonMatch":"exact","sourcePlacement":"Oregon Boxwood profile (PDF page 141)","sourceVersion":"EM 9103, February 2015","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"5","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"broadleaf-evergreens:Oregon boxwood","sourceTaxon":"Paxistima myrtifolia","taxonMatch":"exact","sourcePlacement":"Oregon boxwood profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}]},"invasiveIn":[],"statusAssertions":[],"fireEvidenceClass":"fire-resistant","recommendation":"on-list","fireSourceScopes":[{"source":"osu-em-9103","sourceName":"Fire-resistant Landscape Plants for the Willamette Valley (EM 9103)","sourceUrl":"https://www.canbyfire.org/files/074d2a9e3/Fire-Resistant-Plants_Willamette-Valley.pdf","geography":{"grain":"aggregate-region","stateCodes":["OR"],"regions":["Willamette Valley"]},"completeness":"partial","reviewStatus":"reviewed","scope":"OSU Extension says EM 9103 highlights fire-resistant plants that thrive under Willamette Valley growing conditions. FireApproved publishes 172 exact owners only as valley context. The guide shares the PNW 590 lineage and is not a second independent vote or statewide site clearance.","sourceVersion":"OSU-EM-9103-2015-02","asOf":"2015-02-01T00:00:00.000Z"}],"firePerformanceConditions":[],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":[],"invasiveIn":[]},"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."}