Rocky Mountain bristlecone pine

Definitions of Rocky Mountain bristlecone pine
  1. noun
    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
    synonyms: Pinus aristata, bristlecone pine
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    type of:
    pine, pine tree, true pine
    a coniferous tree
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