Woody kidney-a herb, is the seed of the tropical plant Celastrus orbiculatus. Woody kidney can be found in "Southern Medicine Herbal Supplement", which records: "The tree is as long as a vine, and its son is purple and black. One is like a bean, but it actually ripens in three years. Its horn is like a bow bag. If it is an egg, its shell is purple and black. Its shell is made of Dan medicine, which is not bad after years. Take its kernel as medicine and bake it. Born in Hainan, he solves all kinds of poisons. "

Chinese name

Longguojiang

Another name

Woody kidney, rattan

Another name

Yin Yu and Tan Tengzi