shaped like an arrowhead with the basal lobes pointing downward
                                                            
                                                     
                        
                                                
                        
                        
                            of a leaf shape; like an arrow head without flaring base lobes 
                                                            
                                                     
                        
                                                
                        
                        
                            in the shape of an arrow-head.
                                                            
                                                     
                        
                                                
                        
                        
                            Arrowhead-shaped, with the basal lobes turned downward.
                                                            
                                                     
                        
                                                
                        
                        
                            Resembling an arrowhead in shape.
                                                            
                                                     
                        
                                                
                        
                        
                            Shaped like an arrowhead, with the basal lobes turned downward.