Family: Fabaceae
High Risk Traits:
- Thrives in tropical climates
- Widely naturalized, including all main Hawaiian Islands
- Disturbance weed of pastures and natural environment
- Other Senna species are invasive
- Tolerates many soil types
- Forms dense stands
- Reproduces by seeds
- Seeds dispersed by water, ants, rodents, soil movement, dumped garden waste and intentionally by people
- Prolific seed production
- Seeds form a persistent seed bank
- Able to coppice and resprout after cutting, pruning or fire
Low Risk Traits:
- Unarmed (no spines, thorns or burrs)
- Palatable to browsing and grazing animals
- Non-toxic
- Ornamental
- Not reported to spread vegetatively
- Herbicides provide effective control