abstract:The bristlecone pines are three species of pine trees (family Pinaceae, genus Pinus, subsection Balfourianae) believed to live longer than any other known organism: over 5,000 years. Bristlecones grow in scattered subalpine groves at high altitude in arid regions of the Western United States.
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a coniferous tree, Pinus aristata, of the western US, bearing cones with bristle-like prickles: one of the longest-lived trees, useful in radiocarbon dating 狐尾松