bristlecone pine








noun

  1. a pine, Pinus aristata, of the southwestern U.S., bearing short needles crowded into long, thick bundles and cones having scales tipped with a slender, curved spine.

noun

  1. 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
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