Multiple choice general knowledge In making the saffron spice, which one of the following parts of the plant is used? Leaf Petal Sepal Stigma Reveal answer Fill a bubble to check yourself D Correct answer Explanation Saffron is derived from the stigma (the female reproductive part) of the Crocus sativus flower. The three crimson stigmas are hand-picked and dried to produce the spice. Leaves, petals, and sepals are not used in saffron production.