This hub compares 2 species records. Across all 2 records, it carries 23 evidence rows from 12 distinct cited sources. The species split is 2 fire-resistant. The species records remain separate: their evidence does not become one verdict for the genus.
Plant forms recorded in this group: tree. The records span published USDA zones 5–7. These are record-level fields, not a whole-genus flammability claim.
More about Nyssa: Wikipedia
— external references; not evidence sources.