From wild crocus to fields of gold

Mystery solved – biologists in Dresden explain the genetic origins of the saffron crocus. Saffron, the world's most expensive spice, comes from the stigmas of saffron crocus flowers, Crocus sativus. For many farmers in Mediterranean countries, Kashmir, India, Afghanistan, Iran and Pakistan, saffron production is the main source of income, since the saffron crocus thrives in...
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