Introduction of Chuan Xiong:Szechwan Lovage Rhizome or Rhizome Chuanxiong.

TCM Herbalism:Medicinals and Classifications. ✵The article gives records of the herb Szechwan Lovage Rhizome, its English name, Latin name, property and flavor, its botanical source one plant species, ①.Ligusticum chuanxiong Hort., 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 Szechwan Lovage Rhizome, its pharmacological actions, medicinal efficacy, and administration guide.

Rhizome Chuanxiong(Szechwan Lovage Rhizome).

Rhizome Chuanxiong:herb photo Pin Yin Name: Chuān Xiōnɡ.
 English Name: Szechwan Lovage Rhizome.
 Latin Name: Rhizome Chuanxiong.
 Property and flavor: warm, pungent.

 Brief introduction: The herb Rhizome Chuanxiong is the dried rhizome of Ligusticum chuanxiong Hort.(family Umbelliferae), used (1).to activate blood circulation and promote the flow of Qi for the treatment of irregular menstruation, dysmenorrhea, amenorrhea, and coronary heart disease, and (2).to dispel wind and alleviate pain for relieving headache and rheumatalgia. The herb is commonly known as Rhizome Chuanxiong, Szechwan Lovage Rhizome, Chuān Xiōnɡ.

 Botanical source: Common herbal classics and other famous herbal classics defined the herb Rhizoma Chuanxiong(Chuan Xiong) as the dry root and rhizome of the Apiaceae(or Umbelliferae) family plant species (1). Ligusticum chuanxiong Hort. It is a plant of the Ligusticum L. genus, the Apiaceae family of the Apiales order. This commonly used species is introduced as:

(1).Ligusticum chuanxiong Hort.

 Ligusticum chuanxiong Hort.:drawing of plant and herb Botanical description: The Ligusticum chuanxiong Hort., is a plant of the Apiaceae(or Umbelliferae) family and Ligusticum genus, it is commonly known as "Chuan Xiong" or "Ligusticum wallichii Franch", perennial herb, grows up to 40~60 cm tall. The rhizomes are developed, forming irregular nodular fist-shaped masses with a strong aroma. Stems are erect, cylindrical, with vertical stripes, upper branches, lower stem nodes inflated into a disk-like (rice). Lower stem leaves are stalked, stalk 3~10 cm in length, base expanded into the sheath; leaf outline ovate-triangular, 12~15 cm long, 10~15 cm wide, 3~4 out of 3 pinnate, pinnae 4~5 pairs, ovate-lanceolate, 6~7 cm long, 5~6 cm wide, terminally lobed linear-lanceolate to long ovate, 2~5 mm long, 1~2 mm wide, small tips; simplification of the upper stem leaves.

 Ligusticum chuanxiong Hort.:growing shrub Umbrella terminal or lateral; 3~6 inflorescence sepals, linear, 0.5~2.5 cm long; paragasp 7~24, unequal in length, 2~4 cm long, medially introductory; 4~8 sepals, linear, 3~5 mm long, rough; caries not developed; petals are white, obovate to cordate, 1.5~2 mm long, apex with inflexed tips; style base is conical, 2 styles, long 2~3 mm, reflexed downwards.

 The young fruit is compressed on both sides with a length of 2~3 mm and a width of about 1 mm; tubing 1~5 in the dorsal groove, 2~3 tubing in the side furrow, and 6~8 merging tubing. Its flowering period is from July to August, fruiting from September to October.

 Ligusticum chuanxiong Hort.:plant and herb Ecological Environment: The Ligusticum chuanxiong Hort., is mainly cultivated and rarely seem in a wild field. Geographical distribution: This species is mainly cultivated in the southwest area, the middle and lower reaches area of the Yangtze River, north area, and northwest area of China.

 Growing environment: The plant Ligusticum chuanxiong Hort., enjoys a mild climate, abundant rainfall, and ample sunshine and a more humid environment. However, the cold and climatic conditions are required for the cultivation and storage of Chuanxiong species. Its growth period is about 280~290 days. The cultivation region should choose sandy loam with deep soil, loose fertility, good drainage, rich organic matter content, and neutral or slightly acidic.

 The rhizome of Ligusticum chuanxiong (S.H.Qiu. et al), Ligusticum sinense Oliv., or Ligusticum chinensis (H), a perennial plant, of the family Umbelliferae. Native to China.

 Ligusticum chuanxiong Hort.:flowering plant The perennial plant grows to about 0.6~1 meter. It is in flower from July to August. The flowers are hermaphrodite (have both male and female organs) and are pollinated by insects. The plant cannot grow in the shade. It requires moist soil. Reaped in May, earth and sand are removed from the rhizome before drying the rhizome in the sun and baking it until dry; then fibrous roots are removed and the rhizome is sliced or parched with wine for use.

 Ligusticum chuanxiong Hort.:growing shrub Growth characteristics: The plant ligusticum chuanxiong prefers a warm climate, abundant rainfall, sunshine environment, can withstand drought, afraid of shade and waterlogging. It is suitable to grow in deep, loose and fertile soil, well-drained, neutral, or slightly acidic sandy loam, and better not choose cold sandy soil with too much sand, yellow mud with too heavy viscosity, white eel mud, wet field, and so on. Continuous cropping is forbidden.

 Szechwan Lovage Rhizome:herb photo Characters of herbs: The rhizome of the herb is an irregular nodular fist-shaped lump, with a diameter of 1.5~7 cm. The surface is yellow-brown to yellowish-brown, or brown, coarse and rough, shriveled, with many parallel bulges; There are round-like concave pit-like stem marks on the top, and many tiny nodular root marks on the lower side and wheel joints. The texture of the herb is solid and firm, not easily broken, the fracture surface is yellow-white or grayish-yellow, with wavy ring-shaped cambium, scattered with yellow-brown oil spots or oil chambers. The herb has a rich and special aromatic odor, it tastes bitter, pungent, slightly sweet, and slightly tingling. The herb of better grade is big, full, the texture is solid and firm, fracture surface is yellow and white, oily, and with a strong fragrance.

 Pharmacological actions: ①.dilating coronary arteries, improving microcirculation; ②.inhibiting platelet aggregation; ③.preventive effect on ischemic cerebrovascular disease.

 Medicinal efficacy: Activating blood circulation and promoting the circulation of Qi, activating blood circulation to remove blood stasis, promoting the circulation of Qi and expelling stagnation, dispelling pathogenic wind and removing dampness, dispel wind and relieve pain. It is indicated for cephalea and dizziness due to wind and cold, thoracic obstruction and cardialgia, hypochondriac pain and abdominal pain, stabbing pain in chest and hypochondria, swelling pain of fall injury, cephalea(headache), cephalea and dizziness, rheumatic arthralgia, cold arthralgia and spasm of muscle, irregular menstruation, menoschesis and dysmenorrhea, menoschesis, dystocia(difficult labor), abdominal mass and abdominal pain, abdominal mass and lumps, swelling and ulcer, traumatic injury, etc.

 Administration of Rhizome Chuanxiong(Chuān Xiōnɡ): 
Reference: Administration Guide of Rhizome Chuanxiong(Chuān Xiōnɡ)
TCM Books: ①.Internally:3~10 grams; ②.Internally:water decoction,1~2 qian(about 3~6 grams), or prepare to pill, powder. Externally:prepare to finely ground herb powder, apply stick; ③.Internally:water decoction,3~10 grams;prepare to finely ground herb powder,1~1.5 grams each time;or prepare to pill, powder. Externally:proper amount, prepare to ground herb powder and sprinkle;or mouthwash with water decoction.
 Contraindications,Precautions and Adverse Reactions: should not combine the herb Rhizome Chuanxiong with Rhizoma Coptidis, Fructus Corni, Radix euphorbiae lantu, Saltpeter, Talcum, Black False Hellebore.

herbs regulating blood conditions,herbs activating blood and resolving stasis.

 Introduction: Herbs activating blood and resolving stasis: also known as blood-activating and stasis-resolving herbs, an agent or substance herbs that promotes blood flow and removes stagnant blood, also known as blood-activating and stasis-dispelling herbs, or blood-activating herbs and stasis-resolving herbs.
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