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Noun pinus aristata has 1 sense
- bristlecone pine, Rocky Mountain bristlecone pine, Pinus aristata - 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
--1 is a kind of pine, pine tree, true pine
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