Family: Fabaceae

High Risk Traits:

• Naturalized beyond native range
  
• Weed in gardens and urban areas
  
• Tolerates wide range of soils
  
• Nitrogen-fixing tree
  
• Produces viable seeds
  
• Intentionally dispersed by people
  
• Seeds spread via mulch and produce
  
• Water-dispersed propagules
  
• Seeds survive animal digestion
  
• Forms a persistent seed bank
  
• Tolerates mutilation and fire

Low Risk Traits:

• Not an agricultural or forestry weed
  
• No spines or thorns
  
• Non-allelopathic
  
• Non-toxic to animals
  
• Not a major pest host
  
• Generally non-toxic to humans
  
• Does not form dense thickets
  
• Not self-compatible (mostly dioecious)
  
• No dispersal by vegetative fragmentation
  
• Not dispersed by wind or birds
  
• Not a prolific seed producer
  
• Susceptible to herbicides