Lonicera japonica is a perennial semi-evergreen twining shrub. The stem with leaves is called honeysuckle, which is used as medicine. Also used as ornamental plants. It is distributed in most parts of China, and cultivated and produced in many areas, among which Henan and Shandong are the most famous. It is also produced in Japan and Korea.
Honeysuckle. It is a traditional Chinese medicine with a long history. It was first recorded in the Record of Famous Doctors and listed as top grade. The name "honeysuckle" first appeared in Li Shizhen's Compendium of Materia Medica, which has been used for a long time and has been included in China Pharmacopoeia. In addition, there are names of Yin Hua, Hua Shuang, Erhua, Erbaohua and Shuang Bao Flower.