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 roxburghii produced in pendulous racemes long, each flower diameter with red to pinkish petals. The fruit is a legume. Cassia roxburghii The Red Cassia, (Cassia roxburghii), also known as the Roxburgh's cassia, and Ceylon senna, is a flowering plant in the family Fabaceae. The species is native to the Indian subcontinent and adjacent regions of Southeast Asia. It ranges throughout South India and Sri Lanka. The Latin specific epithet "roxburghii" refers to the Scottish Botanist William Roxburgh. The red cassia is a medium-sized tree, growing to tall with spreading, drooping branches. The leaves are clusters of pink, rose or orange flowers,