Saffron sources are the Croci and Crocuses plants. Croci is a genus of flowering plants in the iris family with five letters, while Crocuses is a genus of flowering plants in the iris family with eight letters. Both genera are native to the Old World and produce saffron, a spice derived from the flower's stigmas. Saffron is used in many cuisines around the world and is known for its distinct flavor and aroma.