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                                                      : any of several tropical American plants with an aromatic odor most of which yield native remedies or dyes: such as                                      
                
                    
           
           
      
              
        a
    
                                          
              
          
                                                      : a South American herb (Heterothalamus brunioides) of the family Compositae whose flower heads yield a yellow dye                                      
                
                    
            
      
              
        b
    
                                          
              
          
                                                      : a Mexican shrubby milkweed (Asclepias linaria) that yields a violent purge                                      
                
                    
            
      
              
        c
    
                                          
              
          
                                                      : any of several Mexican plants of the family Compositae (especially Porophyllum scoparium and Chrysactinia mexicana)                                      
                
                    
            
   
                   
                      
                    2
                    
      
              
        
    
                                          
              
          
                                                      : the dye yielded by the South American herb romerillo                                      
                
                    
            
   
                   
             
                    
                        
        
        
        
                
                
                
        
                
     
    
                                                    
                                                                                                                    
            
                                    
                        
                                                    
                                
                       
                                        
                
                                                
                            
            
                                    
                                    
                        
                                            
                                                            
                                    
                                                                
                                
                                    
                
                
                
                
                
                
                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
                                        
                                                    
                            
                                                               
                                                
  
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  Merriam-Webster unabridged
 
                          
                    
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