Where does the cinnamon used in Bukkumi originate?
Bukkumi:  It is a flat half-moon shaped cake filled with white adzuki bean paste or mixture of toasted and ground sesame seeds, cinnamon powder, and honey. Cinnamomum cassia: Cinnamomum cassia, called Chinese cassia or Chinese cinnamon, is an evergreen tree originating in southern China, and widely cultivated there and elsewhere in southern and eastern Asia (India, Indonesia, Laos, Malaysia, Taiwan, Thailand, and Vietnam).
southern China