1. 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
   - bristlecone pine, Rocky Mountain bristlecone pine

Type of: pine, pine tree, true pine

Encyclopedia: Pinus aristata

• Abrocoma
• abrocome
• abrogate
• abrogation
• abrogator
• Abronia
• Abronia elliptica
• Abronia fragrans
• Abronia latifolia
• Abronia maritima
• Abronia umbellata
• Abronia villosa
• abrupt
• abruptio placentae
• abruption
• abruptly
• abruptly-pinnate
• abruptly-pinnate leaf
• abruptness
• Abruzzi
• Abruzzi e Molise
• ABS
• abscess
• abscessed
• abscessed tooth