Introduction of Zi Su Geng:Perilla Stem or Caulis Perillae.

TCM Herbalism:Medicinals and Classifications. ✵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:Herbs regulating the flow of Qi.

 TCM Herbs Icon10 Introduction: Herbs regulating the flow of Qi: also known as Qi-regulating herbs, an agent or substance that regulates the activity of Qi to treat Qi stagnation or adverse Qi flow, also known as Qi-moving herbs.

Caulis Perillae(Perilla Stem).

Caulis Perillae:herb photo Pin Yin Name: Zǐ Sū Gěnɡ.
 English Name: Perilla Stem.
 Latin Name: Caulis Perillae.
 Property and flavor: warm, pungent.

 Brief introduction: The herb Caulis Perillae is the dried stem of Perilla frutescens(L.) Britt.(family Labiatae), used to regulate the flow of Qi, relieve pain, and calm the fetus for the treatment of stuffiness in the chest, epigastric pain, eructation, vomiting and threatened abortion. The herb is commonly known as Caulis Perillae, Perilla Stem, Zǐ Sū Gěnɡ.

 Botanical source: Official herbal classics and other famous herbal classics defined the herb Caulis Perillae(Perilla Stem) as the dried stem of the species (1).Perilla frutescens(L.) Britt., or (2).Perilla furtescens (L.) Britt.var.purpurascens(Hayata )H.W.Li. They are plants of the Perilla Linn genus, the Lamiaceae family of the Lamiales order. These 2 commonly used species are introduced as:

(1).Perilla frutescens(L.)Britt.

 Perilla frutescensL.Britt.:growing plants Botanical description: The plant is commonly known as Zǐ Sū. Annual herb, it grows up to 30~200 cm tall. It has a special fragrance. The stem is erect, much-branched, purple, greenish-purple or green, obtuse tetraphenous, densely villous. Leaves are opposite; Petiole 3~5 cm long, purplish-red or green, covered with long serrate hairs; Leaf blade is broadly ovate, round or oval, triangle, oval 4~13 cm long, 2.5~10 cm wide, apex acuminate or acuminate, sometimes in short caudate, base rounded or broadly cuneate, margin coarsely serrate, sometimes serrate deep or shallow crack, two purple or purple below, only both sides are sparse hairs, along the veins of relatively dense, the leaf has a fine point oil gland; Lateral veins 7~8 pairs, lower slightly proximate, obliquely ascending. Inflorescences rosette, 2-flowered to one side into pseudoracemes, terminal and axillary, inflorescence densely villous; Bracts are ovate, ovate-triangular or lanceolate, entire, ciliate, glandular, margin membranous; Pedicels are 1~1.5 mm long, densely pilose; Calyx campanulate, ca. 3 mm long, 10 veined, outer densely pilose and with yellow glandular points, apical 5 teeth, 2 lips, upper lip broad, 3 teeth, lower lip 2 teeth, sometimes enlarged, base saccate; Corolla lip, 3~4 mm long, white or purplish red, corolla tube with hair rings, outside pilose, upper lip slightly concave, lower lip 3-lobed, lobes are nearly round, middle lobes are larger; 4 stamens, 2-strong, inserted in the middle of the corolla tube, scarcely extending out of the corolla, anthers 2-loculed; Disk distended anterior; 1 pistil, ovary 4-lobed, style subbasal, stigma 2-loculed; Disk distended anterior; 1 pistil, ovary 4-lobed, style basal, stigma 2-lobed. Nutlets are subglobose, grayish-brown or brown, 1~1.3 mm in diameter, reticulated, calyx ca. 10 mm. Its flowering period is from June to August, fruiting from July to September.

 Perilla frutescensL.Britt.:drawing of plant Ecological environment: Perilla is very adaptable, not strict to the soil requirements, good drainage, sandy soil, loam, clay loam, house front and back, ditch side, fertile soil cultivation, growth is good. The former crop prefers vegetables. It can be planted under young trees.

 Perilla Stem:herb photo Characters of herbs: Stem shaped like a square column, blunt round four edges, different length, the diameter is 0.5~1.5 cm. The surface is purplish brown or dark purple, with longitudinal furrows and fine longitudinal lines on all sides, nodes are slightly enlarged, with opposite branches and leaf marks. The body is light, hard, and brittle, the section is cracked. Section thickness is 2~5 mm, often oblique rectangular, the wood part is yellow and white, ray dense, radial, pith white, loose, or with the wood part from the formation of a cavity. Slight fragrant, mild taste. The herb which outside skin color is purple-brown, the aroma is better.

 Perilla frutescensL.Britt.:drawing of plant Pharmacological actions: ①.progesterone-like effect; ②.interferon induction effect.

 Medicinal efficacy: Regulate Qi and remove the obstruction, relieve melancholy, relieve pain, miscarriage prevention, and harmonize the blood. It is indicated for Chest and diaphragm distension, epigastric fullness and distention, epigastric pain, spleen and stomach Qi stagnation, belching and vomiting, Qi stagnation, food stagnation or indigestion, edema, beriberi, hemoptysis and epistasis(vomiting blood, nose bleeding or bleeding from five aperture or subcutaneous tissue), threatened abortion.

 Administration of Caulis Perillae(Zǐ Sū Gěnɡ): 
Reference: Administration Guide of Caulis Perillae(Zǐ Sū Gěnɡ)
TCM Books: Internally:5~9 grams(CP),Internally:water decoction,1.5~3 qian(about 4.5~9 grams).(DCTM),Internally:water decoction,5~10 grams,prepared to powder(CHMM).

(2).Perilla furtescens (L.)Britt.var.purpurascens(Hayata )H.W.Li.

 Perilla furtescens L.Britt.var.purpurascensHayataH.W.Li.:growing plants Botanical description: It is commonly known as Yě Zǐ Sū, or Wild Perilla. The difference of the varieties and the Perilla frutescens: Calyx is small, 4~5.5 mm long, sparsely pilose below, glandular; Stem is pubescent; Leaves are smaller, ovate, 4.5~7.5 cm long, 2.8~5 cm wide, sparsely pilose on both sides. Nuts are small, khaki, 1~1.5 mm in diameter. Its flowering period is from June to August, fruiting from July to September.

 Perilla furtescens L.Britt.var.purpurascensHayataH.W.Li.:growing plants Characters of herbs: The stem surface is yellowish-brown. The same as the above species. The herb which outside skin color is purple-brown, with the aroma is better.
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  • 1.Introduction of Zi Su Geng:Perilla Stem or Caulis Perillae.
  • 2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).

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