Rocky Mountain bristlecone pine
Tree: to 45′ and 3′ DBH
Bark: bark gray to red-brown, shallowly fissured, with long, flat, irregular ridges.
Needles: 1”- 1.5”, 5 per bundle, deep blue-green, with drops and scales of resin
Seed Cones: 3”- 4.5”, maturing in 2 years, shedding seeds and falling soon thereafter
Habitat: dry, south-facing slopes, 7,000’- 12,000′, generally exposed, in evenly spaced forests
Observations: Montane to subalpine areas of Colorado, New Mexico and Arizona (the San Francisco Peaks)
Information from Conifers of the Pacific Slope by Michael Kauffmann.