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Related Terms:
Definitions:
Noun
                                                
                        
                            bristlecone pine
                        
                                                
                        
                            Rocky Mountain bristlecone pine
                        
                                                
                        
                            Pinus aristata
                        
                                                
                                                    
                
                    
                    Definition: small slow-growing upland pine of western United States (Rocky Mountains) having dense branches with fissured rust-brown bark and short needles in bunches of 5 and thorn-tipped cone scales; among the oldest living things some over 4500 years old
Definition: Any of a small number of different small, slow-growing pine trees found in the western United States, of Pinus subg. Ducampopinus, Pinus subsect. Balfourianae, some of which are over 4,000 years old.