nectarine - smooth-skinned variety or mutation of the peach

genus Prunus, Prunus - a genus of shrubs and trees of the family Rosaceae that is widely distributed in temperate regions

fruit tree - tree bearing edible fruit

edible fruit - edible reproductive body of a seed plant especially one having sweet flesh

nectarine, nectarine tree, Prunus persica nectarina - variety or mutation of the peach bearing smooth-skinned fruit with usually yellow flesh