A new and distinct citrus tree variety ‘Lange Rosy Red Valencia’ is characterized by a strong reddish blush of the rind of its fruit. The blush is present through the harvest and post-harvest and is concomitant with the color of the flesh. The flesh of the fruit has a persistent pinkish red color and produces a distinctive pinkish-red colored juice. The internal and external color persists and increases as the fruit matures. The new variety ‘Lange Rosy Red Valencia’ also presents dimorphism of the leaf pattern, structure and presence of leaf variegation that distinguish it from other ‘Valencia’ orange varieties. The new variety ‘Lange Rosy Red Valencia’ is similar to the sweet orange variety ‘Cara Cara’ in that both have internal pinkish red flesh. The harvest season for the ‘Cara Cara’ begins roughly in December and ends generally by the end of April, while the optimal harvest season for ‘Lange Rosy Red Valencia’ begins in May and finishes at the end of August. Besides the seasona