Hibiscus syriacus also known as the Korean Rose is the national flower of South … Hibiscus syriacus also known as the Korean Rose is the national flower of South Korea. The flower appears in national emblems, and Korea is compared poetically to the flower in the South Korean national anthem. The flower's name in Korean is mugunghwa (Hangul: 무궁화; Hanja: 無窮花). The flower's symbolic significance stems from the Korean word mugung, which means “eternity” or “inexhaustible abundance”. Various emblems of South Korea contain hibiscus syriacus.