Family: Simaroubaceae

High Risk Traits:

• Grows in tropical climates
  
• Naturalized in Sudan
  
• Ailanthus altissima has become invasive
  
• Pollen may be allergenic to susceptible individuals
  
• Tolerates many soil types
  
• Reproduces by seeds and vegetatively by suckers
  
• Seeds dispersed by wind, water and intentionally by people
  
• Able to coppice and resprout after cutting

Low Risk Traits:

• Unarmed (no spines, thorns or burrs)
  
• Provides fodder for livestock
  
• Ornamental
  
• Light demanding species (may be relatively Shade-intolerant)
  
• Seeds may lose viability in <1 year
  
• Herbicides may provide effective control