Introduction of Xu Chang Qing:Paniculate Swallowwort Root or Radix Cynanchi Paniculati.

TCM Herbalism:Medicinals and Classifications. ✵The article gives records of the herb Paniculate Swallowwort Root, its English name, Latin name, property and flavor, its botanical source one plant species, ①.Cynanchum paniculatum (Bge.) Kitag., with a detailed introduction to the botanical features of this plant species, the growth characteristics, and ecological environment of this plant species, the features of the herb Paniculate Swallowwort Root, its pharmacological actions, medicinal efficacy, and administration guide.

Radix Cynanchi Paniculati(Paniculate Swallowwort Root).

Paniculate Swallowwort Root:herb photo Pin Yin Name: Xú Cháng Qīng.
 English Name: Paniculate Swallowwort Root.
 Latin Name: Radix Cynanchi Paniculati.
 Property and flavor: warm, pungent.

 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.

 Cynanchum paniculatum Bge.Kitag.:flower buds and flowers Botanical source: 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.


 Cynanchum paniculatum Bge.Kitag.:flowers Botanical description: 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.

 Cynanchum paniculatum Bge.Kitag.:flowering plant Ecological environment: the plant grows in the grass on sunny slopes. Resources distribution: The plant distributes in the east, south, north, northwest, southwest of China.

 Growth characteristics: The plant Cynanchum paniculatum has strong adaptability to climate and can be cultivated in all parts of the north and south. The soil is better with fertile, loose sandy loam.

 Cynanchum paniculatum Bge.Kitag.:flowering plant Characters of herbs: The rhizome is irregularly columnar, with nodes, 0.5~3.5 cm long and 2~4 mm in diameter; Some have a cylindrical stump attached to the top, which is 1 ~ 2 cm long, the fracture surface is hollow. Roots clustered at the root nodes, cylindrical, slender, and curved, 10~16 cm long and 1~1.5 mm in diameter; The surface is yellowish-brown to light brown, with fine longitudinal wrinkles and fine fibrous roots; the texture of the herb is crisp, easy to break, the fracture surface is powdery, the cortex is white or yellowish-white, the cambium ring is light brown, the wood part is small and thin. The herb has a fragrant odor, it tastes slightly pungent and cool. The whole herb has roots, with a single stem or few branches, 20~60 cm long and 1~2 mm in diameter; The surface is yellowish-green, the base is slightly lavender, with fine longitudinal stripes, or coated with hairs; the texture is slightly brittle, the fracture surface is fibrous. Leaves are opposite, twisted, and easily broken, intact leaves are long lanceolate, the surface is yellowish-green, with a short stalk or few stalks(sessile). The herb which has a strong aroma is better.

 Pharmacological actions: ①.analgesic effect, ②.sedative effect, ③.blood pressure-lowering effect, ④.lowering blood lipids. ⑤.the effect on smooth muscle. ⑥.antibacterial effect: It has inhibition on Staphylococcus aureus and Streptococcus A.

 Medicinal efficacy: Dispel wind and eliminate dampness, relieve itching, relieve pain, relieve cough, relieve swelling, alleviate water retention, promote blood circulation and detoxify. It is indicated for rheumatic pain and numbness, stomachache distension fullness, stomachache, toothache, lumbago, rheumatic pain, epigastric pain, menstrual abdominal pain, injury of fall, chronic tracheitis, ascites(abdominal dropsy), edema, diarrhea, dysentery, enteritis, urticaria(nettlerash), eczema, venomous snake bite, etc.

 Administration of Radix Cynanchi Paniculati(Xú Cháng Qīng): 
 
Reference: Administration Guide of Radix Cynanchi Paniculati(Xú Cháng Qīng)
TCM Books: ①.Internally:3~12 grams, decoct later;②.Internally:water decoction,1~3 qian(about 3~9 grams), or prepare to pill, or infusing in wine. Externally:mashed and apply stick, or wash with water decoction;③.Internally:water decoction, 1~3 qian(about 3~9 grams), better not decoct for long time, or prepare to pill, or infusing in wine.
 Precautions and Adverse Reactions:the herb Radix Cynanchi Paniculati should be used cautiously in conditions physical weakness.

 
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.
 
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  • 1.Introduction of Xu Chang Qing:Paniculate Swallowwort Root or Radix Cynanchi Paniculati.

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