Insolite 31+ Quebec Flag Symbol. Previously, the flag of the ussr had the symbol of the sickle and hammer, which represented their communist laborer ideals. But parliament chose the flag we have today. It was adopted by the government of quebec during the administration of maurice duplessis (march 9, 1950). The blue flag (iris versicolor) is the floral emblem of quebec, as per the flag and emblems of quebec act assented to on november 5, 1999.