Iran, Turkey, Iraq, Syria, Cyprus, Turkmenistan, Pakistan, Afghanistan, Hungary, Greece, East Russia.
Distribution in Iran
West and East Azarbaijan, Kordestan, Kermanshah, Gorgan, Kerman, Hormozgan, Khorasan, Semnan, Sistan-va-baluchestan, Isfahan, Zanjan, Arak and Tehran.
Roots of the 3 to 4 year old plants are collected in autumn and early winter and cut to 15-30 centimeters pieces after drying. These pieces are kept in dry places.