Double Rocky Mountain Juniper:Art as an extra tool helping in the bonsai creation

摘要

Rocky Mountain juniper, Juniperus scopulorum, is one of 13 junipers native to North America. Rocky Mountain juniper is the most widely distributed in western North America. The climate generally associated with Rocky Mountain juniper is dry and sub-humid. The range of climatic conditions is broad, however, extending frommaritime to subalpine to semiarid. Temperature extremes range from 43° to -37° C (110° to -35° F), but conditions are more favorable to the species when minimum temperatures exceed -23° to -21° C (-10° to -5° F). The elevational range of Rocky Mountain juniper is from near sea level to 2,740 m (9,000 ft); following the general plant geography rule of decreasing elevation with increasing latitude, the range varies considerably with latitude and local climate. Aspect also has an effect on local elevations, southern exposures generally