Family: Fabaceae

High Risk Traits:

• Broad climate suitability
  
• Thrives in tropical climates
  
• Naturalized and reported to be an environmental weed in East Africa
  
• May compete with crops
  
• Shade tolerant when young
  
• Reported to form dense stands in Africa
  
• Reproduces by wind-dispersed seed pods
  
• Autogamous (capable of self-fertilization)
  
• Seeds may persist in soil for one year (and possibly longer)
  
• Coppices vigorously after cutting

Low Risk Traits:

• Several hundred trees planted in Oahu forest reserves in 1931, but not reported to be naturalized to date
  
• Unarmed (no spines, thorns, or burrs)
  
• Provides fodder for livestock
  
• Non-toxic
  
• Not reported to spread vegetatively
  
• Reaches maturity in 7 to 9 years