scotch broom

Cytisus scoparius

Member of genus Cytisus
brooms
legume family (family Fabaceae)
dicots (class Magnoliopsida)
yellow in flowering plants

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• yellow corolla
• banner generally > 10–25 mm
• calyx glabrous
• fruit flat, glabrous except margin
• branches generally 5-angled
• also called scotch broom
• common everywhere except the southeast bay

Toxicity of irish tops, scotch broom (Spartium scoparium):
4 – Ingestion of these plants, especially in large amounts, is expected to cause serious effects to the heart, liver, kidneys or brain. If ingested in any amount, call the poison center immediately.

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Chris’s observations: 4 (all are research grade)

Locations:

• Sanborn CP: 4

Months:

• Jan.: 1
• Feb.: 1
• Mar.: 0
• Apr.: 0
• May: 0
• Jun.: 2

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Not all sites include this taxon:

• Cytisus scoparius → iNaturalist – Calflora – CalPhotos – Jepson eFlora
• not yet listed → FNA

Bay Area species: iNaturalist – Calflora