Family: Rosaceae
High Risk Traits:
- Elevation range exceeds 1000 m, demonstrating environmental versatility
- Can grow in higher elevations with subtropical climates
- Naturalized on Hawaii, Maui, Australia, South Africa, New Zealand, Argentina and elsewhere
- Environmental weed in Australia, South Africa and New Zealand
- Other Pyracantha species are invasive
- Thorny
- Possibly toxic
- Host of bacterial fireblight
- Tolerates many soil types
- Forms dense stands that exclude other vegetation
- Reproduces by seeds and vegetatively by suckering
- Reaches maturity in 2-3 years
- Seeds dispersed by birds, water, dumped garden waste and intentionally by people
- Prolific seed production (densities unknown)
- Able to resprout after cutting and fire
Low Risk Traits:
- Invasiveness may be restricted to higher elevation of islands with tropical/subtropical climates
- Ornamental
- Herbicide may provide effective control