✵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 Panacis Quinquefolii(American Ginseng).
Brief Introduction: The Herb Radix Panacis Quinquefolii is the dried root of Panax quinquefolium L.(family Araliaceae), used to replenish Qi, nourish Yin, reduce the internal heat and promote fluid production, for treating (1). Yin deficiency with exuberant fire with cough and blood-streaked sputum, and (2).impairment of both Qi and Yin in cases of febrile diseases with fidgetiness and thirst. The herb is commonly known as Radix Panacis Quinquefolii, American Ginseng, Xī Yánɡ Shēn.
✵Common official herbal classics and other famous herbal classics defined the herb American Ginseng(Radix Panacis Quinquefolii, Xi Yang Shen) as the dry root of the Araliaceae(Aralia family) family plant species (1). Panax quinquefolius L. It is a plant of the Panax L. genus, the Araliaceae family of the Apiales order. This commonly used species is introduced as:
(1).Panax quinquefolius L.: The Panax quinquefolius L., is a plant of the Araliaceae(Aralia family) family and Panax genus, it is commonly known as "P. quinquefolius", "Huā Qí Shēn", "Xī Yánɡ Shēn". and also other names "Aralia quinquefolia", "Panax quinquefolium", "American ginseng", "Panax quinquefolium L.", "Radix Panacis Quinquefolii", literally "Huā Qí" means "the Stars and Stripes"(Ginseng from the US). Perennial herb, the main root is round or spindle-shaped, light yellow or yellow-white surface, shiny color, fine grain, full and strong texture, cut clean surface, showing a clear texture of chrysanthemum, ginseng tablets bitter taste, through the throat, All hairless. Roots are fleshy, spindle-shaped and sometimes divergent. Short rhizomes. Stem cylindrical, about 25 cm long, with vertical stripes, or slightly ribbed.
Palmate 5 compound leaves, usually 3-4, whorled at stem end; petiole length 5~7 cm; leaf blade membranous, broadly ovate to obovate, 4~9 cm long, 2.5~5 cm wide, apex abruptly, The edges are coarsely serrate, the base is wedge-shaped, and the bottom two leaflets are the smallest; the petiole length is about 1.5 cm, and the bottom two petioles are shorter or nearly sessile.
The total pedicel is extracted from the middle of the petiole of the stem, slightly longer or nearly equal in length to the petiole; umbels, many flowers, pedicels short, base one with ovate bracteoles; bracts green, campanulate, apex 5-toothed , lobes blunt, calyx tube at base of triangular bracteoles 1; petals 5, greenish-white, oblong; 5 stamens, filaments basally slightly wider, anthers ovate to oblong; 1 pistil, ovary inferior, 2 rooms, 2 styles, upper part is forked, lower part connate; disc meat ring.
Berry oblate, paired, ripe red, stalk elongation. It is flowering in July, fruit ripening in September.
Ecological environment:The Panax quinquefolius L., grows in a mountainous area about 1,000 meters above sea level. It likes to scatter light and diffuses light and adapts to grow on sandy forest soil. Geographical distribution: This species was native to the forest area of northern Wisconsin in the United States and now it is also distributed in China and southern Canada.
Trait identification:The root is cylindrical or shortly cylindrical, with branched roots at the lower part, sometimes without branched roots at the lower part, sometimes without branched roots at the lower part, the taproot is conical or spindle-shaped, 1.5~9 cm long and 0.5~3 cm in diameter. Appearance pale yellow or khaki, there must be a set of fine ring lines, and a few longitudinal wrinkles and long lenticels. Rhizomes removed or partially colonized, cylindrical or oblate, 0.1~1.3 cm long, 0.1~1 cm in diameter, with 1-4 indentations, adventitious roots sometimes visible. Branch root is absent or 2-6, have fibrous root, have a verrucous protrusion on. Qualitative hard and brittle, the cross-section is pale yellow-white, have brown or brownish-yellow compose annulus, skin or cortex is scattered with the orange-red or red-brown dots, have radial shape crack. Slightly fragrant, bitter taste slightly sweet. The herb which is even, hard quality, the surface horizontal band close, smells fragrant, strong flavor is better.