[Wikipedia] General Description, Origins: Pistacia vera, a member of the cashew family, is a small tree originating in Persia. The tree produces seeds that are widely consumed as food. The pistachio tree is native to regions of Central Asia, including present-day Iran and Afghanistan. (link added by Mary Ann Machi)
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 03/28/2025).