Family: Fabaceae

High Risk Traits:

• Elevation range exceeds 1000 m, demonstrating environmental versatility
  
• Thrives in tropical climates
  
• Naturalized on main Hawaiian Islands (except Kahoolawe and Niihau) and elsewhere in the tropics
  
• An environmental weed, modifying soil nutrients and facilitating invasion by other weedy plants
  
• Prone to breaking in high winds, threatening human safety and infrastructure
  
• Tolerates many soil types
  
• Nitrogen-fixing tree; facilitates invasion by other weeds
  
• Reproduces by numerous, wind-dispersed seeds
  
• Fast growth rate, reaching maturity in 3 years
  
• Seeds may persist in the soil for months to years
  
• Able to coppice and resprout after cutting

Low Risk Traits:

• Unarmed (no spines, thorns, or burrs)
  
• Palatable to browsing animals
  
• Non-toxic
  
• Light-demanding; seedling will not tolerate dense shade
  
• Not reported to spread vegetatively
  
• Herbicides provide effective control