Long lived wild pistachio trees of Iran

Wild pistachio (Pistacia atlantica Desf.) is one of the Iranian tree species with a large distribution in whole country, and has a significant or limited presence in almost all provinces of Iran. This tree, like Juniper, is observed as wild trees and, without any exaggeration, is the most widespread tree species in Iran. In the first part of introducing long lived wild pistachio trees, 34 long lived wild pistachio trees are introduced and the details of 10 elite stands are given. The most frequency of long lived wild pistachio is observed in Khorasan Razavi province with 14 trees. Kurdistan province also has a high frequency of long lived wild pistachio. The thickest and oldest long lived wild pistachio was recorded in Chenar, Fars province, with a diameter of 245 cm and almost 2000 years old. The most glorious, highest and the most vital long lived wild pistachio was recorded in Rach, Khardarjan (south Khorasan) and Rameh (Semnan province), respectively.