Introduction of Zhu Ru:Bamboo Shavings or Caulis Bambusae in Taeniam.

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:Expectorants,Herbs for Resolving Heat-Phlegm.

 TCM Herbs Icon03 Introduction: Expectorants,herbs for resolving heat-phlegm: an agent or substance herbs warm in property, used in treating disorders of heat-phlegm or phlegm-dampness.

 
Caulis Bambusae in Taeniam(Bamboo Shavings).

Bamboo Shavings Pin Yin Name: Zhú Rú.
 English Name: Bamboo Shavings.
 Latin Name: Caulis Bambusae in Taeniam.
 Property and flavor: slight cold, sweet.

 Brief introduction: The herb Caulis Bambusae in Taeniam is the dried shavings of the stem of Bambusa tuldoides Munro, Sinocalamus beecheyanus(Munro)McClure var.pubescens P.F.Li, or Phyllostachys nigra var.henonis Stapf(family Gramineae), used to clear heat, resolve phlegm, induce tranquilization and arrest vomiting for relieving cough or insomnia due to phlegm-heat, and vomiting due to stomach heat. The herb is commonly known as Caulis Bambusae in Taeniam, Bamboo Shavings, Zhú Rú.

 Botanical source: The herb Caulis Bambusae in Taeniam(Bamboo Shavings) is the dried shavings of the stem of Bambusa tuldoides Munro, Sinocalamus beecheyanus(Munro)McClure var.pubescens P.F.Li, or Phyllostachys nigra var.henonis Stapf., they are plants of the Bambusa Retz. corr. Schreber genus, the Gramineae family of the Graminales order.

 Bambusa tuldoides Munro. Common official herbal classics and other famous herbal classics defined the herb Concretio Silicea Bambusae(Tabashir) as the dried shavings of the stem of:(1). Bambusa tuldoides Munro, (2). Sinocalamus beecheyanus(Munro)McClure var.pubescens P.F.Li, or (3). Phyllostachys nigra var.henonis Stapf. These 3 commonly used species are introduced as:

 Bambusa tuldoides Munro. (1).Bambusa tuldoides Munro.:
 Botanical description: It is also known as Dan Zhu, or Light Bamboo. Plants lignified, arboreal. Rod is 6~18 meters high, 5~7 cm in diameter, green after growth, or gray-green when old, rod rings and sheath rings are prominent. Sheath abaxially glabrous or distally hirsute, yellowish-green to yellowish with grayish-black spots and streaks; Sheath ear and tassel are easy to shed. Sheath leaves long lanceolate, wrinkled, base constricted; Small technique with 1~5 leaves, leaf sheath mouth glabrous; Leaf blade dark green, glabrous, narrowly lanceolate, 1~2 cm wide, subveined 6~8 pairs, thin. Spikelets arranged into imbricate panicles; Spikelets containing 2~3 flowers, or 2 apical flowers degenerated-spikelets, lanceolate, with minute hairs; Lemma acute, surface hairy; Lemma apex 2-toothed, hairy, 12~15 mm long; Scales vary in number, 3 to 1 or absent, thorium-shaped, ca. 3 mm long. Anthers 7~10 mm long when flowering, with very long filament hanging over the flowers; Ovary is pointed ovate, terminal give birth to a long-form style, both total length about 7 mm, 3 stigmas, each length about SMM, like a brush. Bamboo shoots from April to May, flowering from October to May.

 Ecological environment:  Bamboo is usually planted in gardens. Bamboo mainly distributes in the middle and south of the Yangtze river basin.

 Growth characteristics: The plant prefers a warm and humid climate, to avoid the cold and strong wind. Should choose leeward to the sunny slope, the gentle slope flat field near the village and water to plant. It is not suitable to grow on barren, viscous soil, it is better to plant in wet, fertile, well-drained sandy soil that is neutral or slightly acidic or slightly alkaline.

 Characters of herbs: This herb is an irregular filamentous or thin ribbon, often curl and shrink and twist into a group or make a flower, the length is different, width is 0.5~0.7 cm, the thickness is 0.3~0.5 cm. All part is pale yellow-white, light green, bluish yellow, gray yellow-green, yellow and tough, elastic. The flavor is slightly fragrant and slightly sweet.

 Pharmacological actions: 1. Increase the amount of chloride in urine: the herb can increase the amount of chloride in urine; 2. Increased blood sugar: Besides, there is also the effect of increasing blood sugar. 3. Antibacterial effect: the herb powder has a strong antibacterial effect on Staphylococcus albicans, Bacillus subtilis, Escherichia coli, and Bacillus typhi on dishes.

 Medicinal efficacy: Clearing away heat and eliminating phlegm, relieving restlessness and relieve vomiting. Indicated for phlegm-heat cough, bile fire carrying phlegm, irritating heat and vomiting, palpitate with fear, insomnia, apoplexia and phlegmatic coma, stiffening of the tongue and silence (could not speak), stomach heat and vomiting, pregnancy aversion, threatened abortion(fetal movement restlessness).

 Administration of Caulis Bambusae in Taeniam(Zhú Rú): 
 
Reference: Administration Guide of Caulis Bambusae in Taeniam(Zhú Rú)
TCM Books: Internally:4.5~9 grams(CP), or water decoction, 1.5~3 qian(about 4.5~9 grams), Externally: prepare to ointment and apply stick(DCTM), or water decoction, 5~10 grams, or grinded to a fine powder and prepared to pill, powder.Externally: proper amount, prepare to ointment and apply stick(CHMM).


 Sinocalamus beecheyanus Munro McClure var.pubescens P.F.Li. (2).Sinocalamus beecheyanus(Munro)McClure var.pubescens P.F.Li.:
 Botanical description: It is also known as Qing Gan Zhu, or Green Stem Bamboo. Plants lignified, arboreal. Plants fasciculate, without the thorn. Rod erect or suberect, up to 15 meters, ca. 6 cm in diameter. The tip is not bent, and the nodes of the rod are more branched; Internodes cylindrical, internodes and sheath of rod smooth glabrous.

 Sinocalamus beecheyanus Munro McClure var.pubescens P.F.Li. Ecological environment: Green bamboo grows in flat ground, hills. Green bamboo mainly distributes in the Zhujiang river area of China, and it is now introduced and cultivated in other areas.

 (3).Phyllostachys nigra var.henonis Stapf.:
 Botanical description: It is also known as Da Tou Dian Zhu. Plants woody, arboreal. The pole is 15 meters high. Somewhat zigzag, young rod hairy and usually hairy rings on rod nodes below the middle, internodes usually shorter; The back of sheath is sparsely black-brown, appressed before life. The base of the release tablet is narrower. Long release tongue, about 5 mm long; Spikelets are usually straw yellow; Palea dorsal pilose, ridge with longer dense margin hairs. Leaf-sheaths are usually hairy; Leaf tongue longer and lemma abaxially sparsely pilose. Its flowering period is from March to May, bamboo shoots from June to July.

 Phyllostachys nigra var.henonis Stapf. Ecological environment: Phyllostachys nigra var.henonis Stapf. grows on the hillside, flat road. This species mainly distributes in the Zhujiang river area of China.

 Characters of herbs: this herb is irregular filamentous or thin ribbon, often curled and twisted into a group or flower shape, different length, 0.5~0.7 cm wide, 0.3~0.5 cm thick. All pale yellow-white, light green, cyan yellow, grayish-yellow, yellowish-green, yellow and tough, elastic. The smell is slightly fragrant and slightly sweet.
 
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References:
  • 1.Introduction of Zhu Ru:Bamboo Shavings or Caulis Bambusae in Taeniam.
  • 2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).

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