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
Neolitsea cassia in shape with a slightly pointed base and a tapering pointed apex, about 6-18 cm long and 1.5-4 cm broad. The three veins beginning from the base are prominent, but the lateral veins are faint on the upper surface. The petiole appears as channeled above. Pale yellow flowers are seen in small clusters borne on short branchlets on the internodes. Male and female flowers are distinguishable. The fruit is dark purple, ovoid in shape, about 1.0 cm in size with a ring-like cap at the base. Neolitsea cassia Neolitsea cassia is a species of tree in the Lauraceae family. It