The orange flower grows on the citrus tree, or “Citrus Aurantium”, of the Rutaceae genus. In bloom, the tree aunts its white flowers to the world, emitting a suave fragrance that has symbolized purity and beauty since Antiquity. Intoxicating but mysterious, these flowers used to adorn the garlands of young brides. The orange flower grows on the citrus tree, or “Citrus Aurantium”, of the Rutaceae genus. In bloom, the tree aunts its white flowers to the world, emitting a suave fragrance that has symbolized purity and beauty since Antiquity. Intoxicating but mysterious, these flowers used to adorn the garlands of young brides. It was in the XVII century that orange blossom became popular in European courts thanks to Marie-Anne de La Trémoille, Princess of Ursins, who made it a great use for her rites of care.