Identify important species of pistachios

Identify important species of pistachios Identification of Iranian Pistachio domestic pistachio species Pistacia vera This species can be called the mother of Iranian pistachios and other domestic pistachios in the world. Pistacia vera has been used as a rootstock in more than 99% of Iranian pistachio orchards. This species has a great genetic and phenotypic diversity in different regions of Iran. The height of these trees is 8-15 meters and the diameter of the trunk is 30-50 cm and its leaves have 5 to 7 leaflets which are placed on the petiole without asymmetry. These leaflets are large and have irregular teeth at the end and the petiole is covered with hairs. The main root of the pistachio tree sinks to a depth of 2-4 meters. It is possible to identify male and female trees only from their flowers, in spring and at the time of flowering.