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,
Cassia (genus) genus "Cassia". Genera "Cassia" and "Senna" are both known in systems of traditional medicine. "Cassia fistula", for example, is used in Ayurvedic medicine. There exists some culinary use for cassias. The fruit of some species is edible. Some have toxins in their seeds, however. There are hundreds of "Cassia" species, but it is unclear just how many. One estimate stands at 692. The genus was a wastebasket taxon for a long time, used to classify plants that did not fit well anywhere else. Over 1000 species have belonged to "Cassia" over the years. Many taxa have since been transferred to