In a review paper published in the journal Frontiers in Plant Science, researchers followed ancient arts and recent genetics to trace the evolutionary origin of the saffron crocus (Crocus sativus), a triploid flower crop and source of the spice and colorant saffron. Saffron, the world’s most expensive spice, is extracted from the flowers of the saffron crocus (Crocus sativus). Image credit: Johan Puisais. From Greece to Iran, from paintings and...
