Family: Scrophulariaceae
High Risk Traits:
- Naturalized in California and elsewhere
- An environmental weed
- Toxic to animals, and humans if ingested
- Host to Klambothrips myopori, a thrips pest that can also affect the native Hawaiian Myoporum sandwicense
- Increases fire risk in fire prone areas
- Can from dense monocultures that exclude other vegetation
- Tolerates many soil types
- Spreads by bird-dispersed seed that can also be spread unintentionally by water or soil movement, and intentionally by people
- Hybridizes with other Myoporum species
- Seeds may persist in soil for years
- Will resprout from stump if cut or damaged
Low Risk Traits:
- Unarmed
- Requires full sun
- Does not spread vegetatively
- Herbicides can provide effective control