✵The TCM herbalism is also known as pharmaceutics of Traditional Chinese Medicine, or Chinese pharmaceutics, is the branch of health science dealing with the preparation, dispensing, and proper utilization of Chinese herbs. It is majorly composed of Introduction of Chinese Medicinals, Classification of Chinese Herbs, Formulas, and Patent medicines.
Classifications of Herbs:Yin Tonics,Herbs for Replenishing Yin.
Introduction: Yin Tonics,Herbs for Replenishing Yin: also known as Yin-tonifying herb, or Yin-nourishing herb, an agent or substance that tonifies the Yin of the heart, lung, stomach, liver, or kidney.
✵Till the date Oct 10th,2019, there are Totally  kinds of common TCM herbs,  kinds of related plant species, are recorded in this category. These Yin Tonics,Herbs for Replenishing Yin are briefly introduced separately:
Radix Glehniae(Coastal Glehia Root).
Brief Introduction: The Herb Radix Glehniae is the dried root of Glehnia littoralis Fr. Schmidt ex Miq.(family Umbelliferae), used to replenish Yin of the lung and stomach and promote fluid production for the treatment of dipsosis, dry throat, and dry cough. The herb is commonly known as Radix Glehniae, Coastal Glehia Root, Běi Shā Shēn.
✵Common herbal classics and other famous herbal classics defined the herb Radix Glehniae(Bei Sha Cen) as the root of the plant species (1). Glehnia littoralis F. Schmidtex Miq. It is a plant of the Glehnia Genus, the Apiaceae(Umbelliferae) family of the Apiales order. This commonly used species is introduced as:
(1).Glehnia littoralis F. Schmidtex Miq.: The Glehnia littoralis F. Schmidtex Miq., is a plant of the Apiaceae(Umbelliferae) family and Glehnia genus, it is commonly known as "Bei Sha Cen", perennial herb, 5~20 cm height. The whole plant is white pubescence. Taproot and lateral distinction clear, taproot cylindrical, elongated cylindrical, long 30~40 cm,diameter 0.5~1.5 cm,dense meat, rarely branched, skin yellow-white, fibrous small, hosted on the main root, few lateral roots.
Partially exposed in a shorter stem on the ground, the underground part of elongation. Basal leaves ovate or broadly triangular-ovate, three types pinnatifid or 2~3 times pinnatipartite, with a long handle; stems Ministry leaves ovate, the serrated edge of a triangular circle.
Three horn oval cylindrical blade profile oval, three splitting or three split-type bipinnate, ultimate segments obovate to oval, long 1~6 cm, width 1~4 cm, top round to acuminate, base cuneate to truncate, margin notched like serrated teeth white with cartilaginous margin;petioles and veins slightly hirsute;stem leaves similar to the shape of the basal leaves, petioles gradually enlarged into a sheath.
Umbels apical complex, densely villous taupe, diameter 3~6 cm,peduncle length 2~6 cm; 8~16 rays, unequal length 1~3 cm; no bracts; small involucre slice a few pieces, linear-lanceolate,edge and back will be pubescent;small umbels of flowers 15~20; calyx teeth 5,narrow triangular-lanceolate, sparsely hirsute;petals white;Stylopodium short cone shape. Also hanging fruit spherical elliptic, length 6~13 mm, width 6~10 mm, grows brown villous and fluff, fruit ribs have corky wings, fruit meristem flat oval cross-section, there are five corners, Hopson flat surface, tubing more, even in a circle, slightly concave ventral endosperm. Its flowering period is from May to July, fruiting from June to August.
Ecological environment: The Glehnia littoralis F. Schmidtex Miq., grows in the coastal sand, beach, or cultivated in fertile loose sandy loam. Geographical distribution: This species mainly distributed in China provinces Guangdong, Hebei, Jiangsu, Taiwan, and other provinces.
Trait identification:Dry roots slender cylindrical or straight, slender at both ends, rarely divergent, 15~30 cm long, 3~8 mm in diameter. Appearance pale yellow, coarse, with longitudinal and unfinished tan emboli, with brown punctate branches, often with terete rhizomes at the tip. Hard and brittle, easily broken. The cross-section is irregular, pale yellow, with yellow radial xylem in the center, the cambium is circular, dark brown. Light smell, sweet taste. Slender root, uniform color white, solid quality is better.