Pine Nodule ⁽¹⁾

Songjie (Pine Nodule, Lignum Pini Nodi) is the knot of the branches of Pinaceae species such as Pinus tabuliformis, Pinus massoniana, Pinus densiflora, and Pinus yunnanensis. As an easily obtained analgesic plant, it has been used in traditional Chinese medicine since early times. TCM holds…