Crocus sativus, the cultivated crocus, saffron crocus, saffron, cultivated saffron, is a species of monocotyledonous plants in the family Iridaceae, native to the Mediterranean basin and western Asia. This cultivated plant is an unknown cultigen in the wild. It is a herbaceous plant, geophyte, from which saffron (spice) is extracted.
Crocus sativus belongs to a group of about ten species of Mediterranean crocus from which saffron was produced in antiquity. This species results from a genetic accident of Crocus cartwrightianus and was selected for its superior spice productivity.