Rocky Mountain bristlecone pine

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Rocky Mountain bristlecone pine Definition

• (n) 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

Rocky Mountain bristlecone pine Synonyms

• bristlecone pine
• Pinus aristata
• Rocky Mountain bristlecone pine