|Pistacia vera ('Kerman' cultivar) fruits ripening|
|Roasted pistachio seed with shell|
Pistacia vera often is confused with other species in the genus Pistacia that are also known as pistachio. These other species can be distinguished by their geographic distributions (in the wild) and their seeds which are much smaller and have a soft shell.
As of 2017, Iran accounted for over half the world's production of pistachios.
From Italian pistacchio (1590s), from Latin pistācium (“pistachio”), from Ancient Greek πιστάκιον (pistákion), from πιστάκη (pistákē, “pistachio tree”). Of Iranian origin. Compare Northern Kurdish pisteq, Persian پسته (pista), Middle Persian pstk' (pistag, “pistachio nut”), Old Armenian պիստակ (...