The nectarine fruit is a variety of the peach tree. The botanical name of the nectarine is P. persica var. nucipersica while the botanical name of the peach is P. persica. Nectarines and peaches are similar in appearance and color as they differ only by a single gene, the gene for skin texture. Peaches are fuzzy and dull, while nectarines are shiny and smooth. Nectarines can range in color from red, pink, yellow or white.