Cinnamomum cassia
…bark and hard, elongated leaves that are 10–15 cm (3.9–5.9 in) long and reddish when young. Chinese cassia is a close relative to Ceylon cinnamon (C. verum), Saigon cinnamon (C. loureiroi), Indonesian cinnamon (C. burmanni), and Malabar cinnamon (C. citriodorum). In all five species, the dried bark is used…