Origin
The cultivated European pear (P. communis subsp. communis) is thought to be descended from two subspecies of wild pear, categorized as P. communis subsp. pyraster (syn. P. pyraster) and P. communis subsp. caucasica (syn. P. caucasica), which are interfertile with domesticated pears. Archeological evidence shows that pears "were collected from the wild long before their introduction into cultivation," according to Zohary and Hopf. Although they point to finds of pears in sites in Neolithic and Bronze Age European sites, "reliable information on pear cultivation first appears in the works of the Greek and the Roman writers." Theophrastus, Cato the Elder, and Pliny the Elder all present information about the cultivation and grafting of pears.
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