Rocky Mountain bristlecone pine

Từ điển WordNet v3.1 - WordNet Dictionary

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
• Syn:
bristlecone pine, Pinus aristata
• Hypernyms:
pine, pine tree, true pine