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1. Any of various chiefly tropical or subtropical trees, shrubs, or herbs of the genus Cassia in the pea family, having pinnately compound leaves, usually yellow flowers, and long, flat or cylindrical pods.
a. A tropical evergreen tree (Cinnamomum aromaticum syn. C. cassia) of East and Southeast Asia, having aromatic inner bark.
b. The bark of this tree, often ground and used as a spice. It is the chief source of cinnamon in the United States.
Cinnamon cassiaChinese medicine
A tree native to southeast Asia which has analgesic, astringent and diaphoretic principles. In Chinese herbal medicine, the bark and twigs are used for different indications: cinnamon bark is used for anorexia, abdominal pain, asthmatic wheezing, diarrhoea, fatigue, impotence, infertility, loss of libido and urinary frequency; cinnamon twigs are used for arthritis, colds, fibroids, low-grade fever and painful menses. Both may be use in Raynaud phenomenon, to improve vision and as a cardiovascular tonic.