Saffron, also known as crocus, saffron, is a perennial flower of the genus Crocus in the family Iridaceae, and is also a common spice. Perennial herb. The bulb is oblate-spherical, about 3 cm in diameter, with a yellow-brown membranous coating. It is a precious Chinese medicinal material with strong physiological activity. Its stigma is used medicinally in Asia and Europe, with sedative, expectorant, and antispasmodic effects.
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