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 sieberiana Cassia sieberiana Cassia sieberiana, drumstick tree, is a tree in the Fabaceae family native to Africa. It ranges from 10–20 metres in height and has very bright yellow flowers. It is used for multiple medical purposes in Africa and is found in the secondary jungle of a forest. Individuals of this species are anywhere from 10-20m in height. The bark ranges from a dark grey to black. The lenticels are horizontal and a reddish color. The leaves are arranged in leaflets that contain 7-10 pair of opposite leaves. The upper side of the leaf is moderately shiny while the bottom