Family: Rubiaceae

High Risk Traits:

• Tolerates heavy pruning and regrows after damage
  
• Suited to tropical/subtropical climates (USDA 9B–11)
  
• Congeners (M. cambodiana, M. flava, M. frondosa) listed as weeds

Low Risk Traits:

• Does not produce viable seed
  
• No evidence of naturalization or weediness
  
• No spines, thorns, or burrs
  
• Non-toxic to animals and humans
  
• Not shade-tolerant (requires full sun)
  
• No dense thickets or climbing habit
  
• No seed-based dispersal (wind, water, animals)
  
• No persistent seed bank
  
• Low climate versatility (tropical/subtropical only)