bristlecone pine(redirected from Dwarf bristlecone pines)
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Either of two small slow-growing pines (Pinus aristata or P. longaeva) found at higher elevations of the western United States, having needles in fascicles of five. Specimens of P. longaeva in east-central California are among the oldest known living trees, achieving ages well over 4,000 years.
(Plants) 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
a small pine, Pinus aristata, of the high S Rocky Mountains, bearing cones with spine-tipped scales: believed to be the oldest living trees.
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|Noun||1.||bristlecone pine - 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|