pinus_aristata
1. [ noun ] (botany) 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
Synonyms: Rocky_Mountain_bristlecone_pine bristlecone_pine
Related terms: pine
Similar spelling:   Pinus_radiata
  Pinus_rigida