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Inanga, Dracophyllum filifolium, appears with an avoid recommendation in the evidence table. Its only rated source calls the shoots highly flammable.
Two laboratory lineages contribute non-rated grill measurements. Their branch trials cover ignition frequency, maximum temperature, burn length, and estimated consumed biomass after predrying across those datasets. Those observations do not create extra votes, so the page preserves a limited evidence reason for the avoid result.
Check the source table for the distinct row types. Comparisons offer same-form alternatives, while the genus index keeps findings for other Dracophyllum species outside this tally.
Highly flammable — location does not change the cited classification.
Fire-performance conditions
Fire ecology context
Placement evidence
Evidence regions
Global; New Zealand
Maintenance
2. Why this plant is relevant here
State distribution
Native range
Introduced / established
USDA hardiness
3. Legal, ecological, and broader status
Legal-list status
Seed-list status
Reported invasive here
Broader regional context
Federal context
How to read this page
The status above is computed from the cited rows below: independent recommendations can support a fire-resistant result, an avoid row can produce keep-away, and disagreement stays visible as conflict. Placement notes preserve each source’s own scheme rather than translating unlike rules into one scale. This is evidence about a plant, not permission to plant it in every part of the defensible space; Zone 0 remains noncombustible.
The evidence
Grouped by what each source concluded. Primary evidence rated the plant itself
(a lab, field program, or original curation); corroboration compiled or
republished another source's rating and resolves to its root lineage.
Avoids (1)
Low Flammability Plants directory — Fire and Emergency New Zealand (plant flammability testing at Lincoln University) · 2026 · original sourcePrimary evidenceLab-testedlineage: lincoln-nz-tree
“High flammability”
High flammability classification.
Listed without a rating (8)Corroboration (8 rows from 1 source)
8 cited rows from this source; its identity, lineage and tier are stated once.
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.
Shared row context: plant part branches; fuel all; predrying yes; device grill; site Cui2020a-1; sampling ND.
“ignition frequency (%): 100”
FLAMITS record 1385; Ignitability measurement.
“maximum sample temperature (°C): 638.63”
FLAMITS record 1579; Combustibility measurement.
“burning duration (s): 62”
FLAMITS record 1773; Sustainability measurement.
“estimated burnt biomass (%): 63.13”
FLAMITS record 1967; Consumability measurement.
Primary study Cui2020b: Cui, X., Paterson, A. M., Alam, M. A., Wyse, S. V., Marshall, K., Perry, G. L. W., & Curran, T. J. (2020b). Shoot-level flammability across the Dracophyllum (Ericaceae) phylogeny: evidence for flammability being an emergent property in a land with little fire. New Phytologist, 228, 95-105
Shared row context: plant part branches; fuel all; predrying yes; device grill; site Cui2020b-12; sampling summer and autumn.
