PINACEAE 



Rocky Mountain Juniper 

 Juniperus scopulorum Sarg. 



HABIT. From a bushy shrub on exposed sites to a tree 40-55 

 feet high and 15-30 inches in diameter; trunk often dividing 

 near the ground; crown typically irregular and rounded. 



LEAVES. Vb inch long; acute or acuminate; pale to dark 

 green; obscurely glandular on back; smooth margins. 



FLOWERS. Dioecious. 



FRUIT. Glaucous; blue; V4-V3 inch in diameter; maturing 

 in 2 years. Seed: 1-2 per cone, angled, acute, grooved. 



WOOD. Heartwood dull red or bright red and streaked with 

 white; sapwood thick and white; durable. 



HABITAT. Upper Sonoran and Transition zones; largest 

 distribution of any western juniper; very drouth resistant; in 

 pure stands or mixed with pinyon, ponderosa pine, etc. 



One-seed Juniper 



Juniperus monosperma (Engelm.) Sarg. 



HABIT. A small tree or shrubby as a result of large branches 

 leaving trunk at or below root collar. 



LEAVES. H inch long; acute; gray-green; denticulately 

 fringed; usually glandular. 



FLOWERS. Dioecious. 



FRUIT. Glaucous; copper-colored (rarely blue); Yq-I^ inch 

 long; maturing in one year. Seed: 1 (rarely 2) in each cone; 

 ovoid. 



WOOD. Heartwood yellow-brown to red-brown; sapwood 

 white; durable; rather heavy and hard; used for posts and fuel. 



HABITAT. Upper Sonoran zone; growing on dry, rocky 

 slopes; in pure stands or with pinyon and ponderosa pines. 



GENERAL. A related Southwestern form with a single seed 

 exposed at the apex and formerly given specific rank as open- 

 seed juniper, J. gymnocarpa (Lemm.) Cory, is now considered a 

 form oi J. monosperma. 



[Ill] 



