Bark of the Root
根的树皮

The term refers to all tissues outside the vascular cambium or secondary xylem of plant stems or branches.
植物茎或枝的维管形成层或次生木质部以外所有组织的总称

The medicinal part referred to is one of the nutritional organs of vascular plants, which is the underground part of the plant body developed from the embryonic root.
指药用部位是维管植物的营养器官之一,由胚根发育而来的植株体轴地下部分

Block-shaped root
块状的根

Dried Tree Bark
干的树皮

When the seed germinates, the root that grows vertically into the ground is formed by the division and elongation of the embryonic root cells.
种子萌发时，由胚根细胞分裂和伸长形成的垂直向地下生长的根