bristlecone pine

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WordNet Dictionary
	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
	Synonyms:		Pinus aristata, Rocky Mountain bristlecone pine
	See Also:		pine, pine tree, true pine