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Walnuts
Every rated Juglans record is fire-resistant — 5 of 9 records, including the genus rated as a group; none is condemned. These counts describe the cited records — 9 records carrying 62 evidence rows from 23 cited sources; they do not make one verdict for the genus.
Rated as a group: Walnut Juglans Fire-resistant Consensus 6 sources rate the genus as a
whole. Species evidence never rolls upward into a genus verdict, and genus claims never
override a species record.
› Fire-resistant
4 species
-
Black walnut Fire-resistant Juglans nigra -
Butternut Fire-resistant Juglans cinerea -
English walnut Fire-resistant Juglans regia -
Manchurian walnut Fire-resistant Juglans mandshurica
Awaiting evidence
4 species
- Juglans ailantifolia Awaiting evidence Juglans ailantifolia
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Arizona walnut Awaiting evidence Juglans major - Juglans pyriformis Awaiting evidence Juglans pyriformis
- Walnut, Texas Awaiting evidence Juglans microcarpa
About walnuts
Corpus context. Juglans is the directory's #71 largest of 550 genus groups: 9 records carrying 62 evidence rows from 23 cited sources, recorded as tree , hardy across USDA zones 3–9. Those are corpus facts, not a whole-genus flammability claim.
More about Juglans: Wikipedia — external references; not evidence sources.