What kind of herb is eucommia?

Cortex Eucommiae is a commonly used Chinese herbal medicine, which is the dried bark of Cortex Eucommiae, a plant in the family Cortex Eucommiae.
Eucommia is sweet in flavor and warm in nature. It belongs to the liver and kidney meridians. It has the effects of nourishing the liver and kidney, strengthening the tendons and bones, and tranquilizing the fetus. It is used for treating insufficiency of liver and kidney, lumbar and knee pain, weakness of tendons and bones, dizziness, restlessness of the fetus and habitual abortion. The adverse effects of the drug are not clear. However, its warm nature favors tonicity, and should be used with caution for people with yin deficiency and fire exuberance.
Specific clinical applications of Cortex Eucommia Ulmoides include: combining with Walnut Flesh and Bone-setting Resin to treat kidney deficiency and lumbago; combining with Dugong, Sangsang and Hosane to treat rheumatism and rheumatism-induced lumbar coldness and heaviness; combining with Bovine Knee, Lycium barbarum and Chasteberry to treat insufficiency of the liver and kidney, dizziness and dizziness; and combining with Renovation of the Sequel, Sangsang and Yam to treat restlessness of the fetus in pregnant women and miscarriage of the fetus.
Cortex Eucommiae should be used after identification by professional Chinese medicine practitioners, and should not be used blindly on its own to avoid aggravating the condition or producing adverse reactions.