FireApproved

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Brooms Cytisus

The rated Cytisus records split: 2 fire-resistant, 1 keep-away, 1 in documented conflict. These counts describe the cited records — 6 records carrying 100 evidence rows from 23 cited sources; they do not make one verdict for the genus.

Rated as a group: Broom Cytisus sp. Keep away Majority — dissent on page 4 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

2 species

Documented conflict

1 species

honest ties — treat conservatively near structures
Awaiting evidence

2 species

About brooms

Corpus context. Cytisus is the directory's #119 largest of 550 genus groups: 6 records carrying 100 evidence rows from 23 cited sources, recorded as shrub , hardy across USDA zones 5–7. Recorded trait flags: 1 carry fine fuels flags; 1 carry invasive risk flags — each cited on its page. Those are corpus facts, not a whole-genus flammability claim.

More about Cytisus: Wikipedia — external references; not evidence sources.

Where rated brooms grow

Tagged as growing in 29 states.

Equal-weight public-domain botanical specimens compare Scotch broom with common gorse. Mature gorse has a dense armature of stiff spines, while Scotch broom has slender green stems and small one- or three-foliolate leaves.
FA Exhibit ID-007. Scotch broom or gorse: yellow flowers, different armature. Morphology from USFS FEIS CYTSPP and ULEEUR. Plates: Thomé 1885, exact-species public-domain scans. Identification only — no flammability claim. Confirm uncertain material with a regional key or a botanist. CC BY 4.0.

See Cytisus on Grow → · JSON