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 leptophylla Cassia leptophylla Cassia leptophylla is a tropical tree species in the genus "Cassia", which is indigenous to Brazil. It is named gold medallion tree and has yellow flowers that bloom intermittently throughout the year, spawning seedpods that are square in cross section and rattle festively. Recognized by its thin green foliage with glossy green pinnate leaflets. The fruit is a long thin seedpod with four sides. "Cassia leptophylla" is native to southeastern Brazil. This tree does not have many uses, except as a decorative tree or as a laxative, something common to the "Cassia" genus. Seed is poisonous if ingested.