The Nectarine has smooth-slick pores and skin like a Plum. The flavor is resembling a Peach. The significant distinction is that the Peach has a rough protective skin a prickly fiber that protects the fruit and if not wiped-off can damage your tongue…. The Nectarine has smooth-slick pores and skin like a Plum. The flavor is resembling a Peach. The significant distinction is that the Peach has a rough protective skin a prickly fiber that protects the fruit and if not wiped-off can damage your tongue….