Pistacia lentiscus (Mastic Tree) is an attractive large evergreen shrub or small tree with aromatic, small, leathery, olive green leaves, 4 in. long (10 cm), divided into 3-5 pairs of leaflets. Its handsome stems are reddish in color when young, turning gray as they mature. Mastic Tree is dioecious, with separate male and female trees. Blooming in spring, male and female flowers are very small, green, and inconspicuous. While related to the pistachio tree (Pistacia vera), Pistacia lentiscus…