Cinnamomum cassia elongated leaves that are long and have a decidedly reddish colour when young. Chinese cassia is a close relative to Ceylon cinnamon ("C. verum"), Saigon cinnamon ("C. loureiroi"), also known as "Vietnamese cinnamon", Indonesian cinnamon ("C. burmannii"), also called "korintje", and Malabar cinnamon ("C. citriodorum") from Sri Lanka. In all five species, the dried bark is used as a spice. Chinese cassia's flavour is less delicate than that of Ceylon cinnamon. Its bark is thicker, more difficult to crush, and has a rougher texture than that of Ceylon cinnamon. Most of the spice sold as cinnamon in the United States,
Via Cassia broke off from the Via Cassia near Baccanae, and held north through Falerii, Tuder, and Perusia, rejoining the Via Cassia at Clusium. When the incursions of Faroald, the Lombard Duke of Spoleto, cut the Via Flaminia, the lifeline between Rome and Ravenna, the Via Amerina was improved and fortified at intervals, works that represented some of the last road-building carried out in Italy in Late Antiquity. As the new military and strategic route, the Via Amerina "became the communications core of Imperial Italy and the chief support to the claim that imperial Italy was still extant." There are the remains