Cinnamomum cassia United Kingdom, and India is Chinese cinnamon. "Indonesian cinnamon" ("C. burmannii") is sold in much smaller amounts. Chinese cassia is produced in both China and Vietnam. Until the 1960s, Vietnam was the world's most important producer of Saigon cinnamon, which has a higher oil content , and consequently has a stronger flavor. Because of the disruption caused by the Vietnam War, however, production of Indonesian cassia in the highlands of the Indonesia island of Sumatra was increased to meet demand. Indonesian cassia has the lowest oil content of the three types of cassia, so commands the lowest price. Chinese cassia
Cassia javanica Cassia javanica Cassia javanica, also known as Java cassia, pink shower, apple blossom tree and rainbow shower tree (), is a species of tree in the Fabaceae family. Its origin is in Southeast Asia, but it has been extensively grown in tropical areas worldwide as a garden tree owing to its beautiful crimson and pink flower bunches. "C. javanica" is one of Thailand's Nine Auspicious Trees and is said to bring good luck, ensure continued high rank and afford victory. Its flower is the provincial flower of Chainat Province, Thailand. "C. javanica" is a fast growing, deciduous / semi-deciduous tree