Oleaceae

When it comes to Ku Ding tea, most people are familiar with it. When suffering from heatiness, a dry mouth, or a sore throat, many will brew a cup of Ku Ding tea to alleviate their discomfort. However, while Ku Ding tea is called tea, it is not made from traditional tea leaves. The large-leaf Ku Ding, found in southern China, belongs to the Aquifoliaceae family. The raw material for Ku Ding tea is the leaves of Ilex latifolia, which were first processed during the Eastern Han Dynasty. It is mainly produced in Fujian, Guangdong, Guangxi, and Hainan provinces, and has a bitter taste. The small-leaf Ku Ding, grown in central and western China, belongs to the Oleaceae family (Ligustrum). It is primarily cultivated in Yunnan, Guizhou, and Sichuan provinces. The tea made from its leaves has the fresh sweetness of green tea and is less bitter than the large-leaf variety. The Eastern Han text "Tong Jun Record" describes: “In the south, there is a plant called Gualu, similar to tea, but very bitter. When ground into powder and drunk as tea, it keeps one awake all night.” This Gualu refers to what we now know as Ku Ding (the…