Family: Euphorbiaceae

High Risk Traits:

• Grows, and could possibly spread, in high elevation tropical climates
  
• Many members of the genus are invasive weeds
  
• Spiny stems
  
• Sap reported to be toxic and allergenic
  
• Tolerates many soil types
  
• Gaps in biological and ecological information reduce accuracy of risk prediction

Low Risk Traits:

• No reports of invasiveness or naturalization, but no evidence of widespread introduction outside native range
  
• Grows best in full sun (dense shade may limit ability to establish or spread)
  
• Seed production in cultivation may be rare or absent, limiting potential for accidental dispersal