✵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:Dispelling Wind-Damp Herbs.
Introduction: Dispelling Wind-Damp Herbs: an agent or substance herbs that dispels wind and damp, mainly for relieving rheumatism and related conditions.
✵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 dispelling wind-damp herbs are briefly introduced separately:
Brief Introduction: The herb Radix Cynanchi Paniculati is the dried root and rhizome of Cynanchum paniculatum(Bge.) Kitag.(family Asclepiadaceae), used to unblock collateral meridians, alleviate pain, relieve toxicity and reduce swelling for treating rheumatalgia, toothache, lumbago, traumatic injuries, dysmenorrhea, and eczema. The herb is also known as Paniculate Swallowwort Root, Radix Cynanchi Paniculati or Xú Cháng Qīng.
✵Official herbal classics and other famous herbal classics defined the herb Radix Cynanchi Paniculati(Paniculate Swallowwort Root) as the dried root and rhizome of (1). Cynanchum paniculatum (Bge.) Kitag. It is a plant of the Cynanchum Linn. Genus, Asclepiadaceae family, Contortae order. This commonly used species is introduced as:
(1).Cynanchum paniculatum (Bge.) Kitag.: It is commonly known as Xú Cháng Qīng. Herbs perennial erect, up to 1 cm root fine whisker, more than 50, its shape is like horsetail, with a special aroma. Stem slender and rigid, unbranched, glabrous or puberulent. Leaves opposite, sessile; Leaf blade lanceolate to linear, cm, 3~15 mm wide, apex acuminate, base narrowed, both surfaces glabrous or upper mask sparsely pilose, margin slightly reflexed, lashes, upper dark green, lower pale green; The main vein rises. Inflorescences paniculate, near apex leaf axils, up to 7 cm, with more than 10 flowers; Calyx 5 deeply lobed, ovate-lanceolate; Corolla yellow-green, 5-lobed, broadly ovate, spreading or outwardly reflexed; 5 coronas, yellow, fleshy, reniform, base united with stamens; 5 stamens, joined in simple form, anthers 2 locules, 1 pollen block per loci, pendulous arms short, flat extension; 1 pistil, ovary superior, composed of 2 free carpels, 2 styles, stigma pentagonal, apex slightly protuberant. Follicles are angular, simple growing ca. 6 cm, light brown surface. Seeds numerous, ovate and flattened, dark brown, apex with a tuft of long white hair. Its flowering period is from May to July, fruiting from September to December.
Ecological Environment: the plant grows in the grass on sunny slopes. Resources distribution: It is distributed in the east, south, north, northwest, southwest of China.
Trait identification: Rhizome irregularly columnar, discoid, 0.5~3.5 cm long, 2~4 mm in diameter; Some of the top with cylindrical residual stem, 1~2 cm long, hollow section. Roots clustered at rhizome nodes, cylindrical, slender and curved, 10~16 cm long, 1~1.5 mm in diameter. Surface light yellow-brown to light brown, with fine longitudinal wrinkles, and fine fibrous roots; Brittle, easily broken, flour off, white or yellowish-white skin, cambium ring light brown, small wood. Smell, slightly pungent taste, cool. The whole grass is with roots, stems simple or rarely branched, 20~60 cm long, 1~2 mm straight; Surface yellowish-green, base slightly mauve, with fine longitudinal lines, or hairy; Slightly crisp quality, broken surface fiber. Leaves opposite, twisted, easily broken, long needle-shaped, whole, yellowish-green, with short or nearly sessile stalks. The strong fragrance is preferred.