Fig. 1: Fruit-type diversity of P. domestica and potential ancestral species.

Illustrations were reprinted from Hedrick4 with the exception of P. spinosa and P. brigantina. These early 19th century illustrations were created by the artist Pancrace Bessa and published in “Treats the trees and shrubs grown in France in the open ground by [H.L.] Duhamel [du Monceau; ed. by Etienne Michel (vol 1–4) and J.L.A. Loiseleur-Deslongchamps (volumes 5–7)]