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

TCM Herbalism:Medicinals and Classifications. ✵The article gives records of the herb Bamboo Shavings, its English name, Latin name, property and flavor, its botanical source three plant species, ①.Bambusa tuldoides Munro., ②.Phyllostachys nigra var.henonis Stapf., ③.Sinocalamus beecheyanus (Munro) McClure var.pubescens P.F.Li., with a detailed introduction to the botanical features of these three plant species, the growth characteristics, and ecological environment of these three plant species, the features of the herb Bamboo Shavings, its pharmacological actions, medicinal efficacy, and administration guide.

Caulis Bambusae in Taeniam(Bamboo Shavings).

a pile of herbs 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, used to clear heat, resolve phlegm, induce tranquilization and stop 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 (Poaceae, grass family) of the Graminales order.

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

(1).Bambusa tuldoides Munro.

 growing plants of Bambusa tuldoides Munro. Botanical description: Bambusa tuldoides Munro is also known as Qing Gan Zhu or Green Stem Bamboo. The plant is lignified, and arboreal. Plant cluster, stingless, rod is upright or almost upright, grows up to 15 meters high, and is 6 cm in diameter. The top is not bending over, many-branched on nodes of the rod; the internode is cylindrical, internode of the rod and sheath around the joints of bamboo are smooth and glabrous.

 Ecological environment: Bambusa tuldoides Munro grows on flat land and hills. It is mainly distributed in the Zhujiang River area of China, and it is now introduced and cultivated in other areas.

 a forest of Bambusa tuldoides Munro. Characters of herbs: The herb is irregularly filamentous or thin band-shaped, often curled, twisted, tangled, or wood shavings-shaped, different in size, 0.5~0.7 cm wide, and 0.3~0.5 cm thick. The whole herb is yellowish-white, pale green, bluish yellow, grayish-yellow green, yellowish-green, or golden, the surface is coarse, has vertical lines. The fracture surface has strong fibering. The texture of the herb is light, tough, and flexible. The herb is slightly fragrant and tastes slight sweet. The herb of a better grade has uniform and thin silks, is yellowish green and has a soft and flexible texture.

 Pharmacological actions: ①.Increase the amount of chloride in urine; ②. Increased 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: ①.Internally: 4.5~9 grams; ②.water decoction, 1.5~3 qian (about 4.5~9 grams), Externally: prepare to ointment and apply stick; ③.water decoction, 5~10 grams, or prepare to finely ground herb powder and prepared to pill, powder.Externally: proper amount, prepare to ointment and apply stick.

(2).Phyllostachys nigra var.henonis Stapf.

 Botanical description: Phyllostachys nigra var.henonis Stapf is also known as Phyllostachys nigra (Lodd. ex Lindl.) Munro var.henonis(Mitf.) Stapf et Rendle. It is commonly known as Dan Zhu, or Light Bamboo, Mao Jin Zhu, Bai Jia Zhu. Plants are lignified, and arboreal. Rod is 6~18 meters high, 5~7 cm in diameter, turns green after growing, or celadon (sage green or grayish-green) when old, rod rings and sheath rings are raised. The sheath around joints of bamboo is glabrous on the backsurface or the upper surface has microtriche (mucoreous), yellowish-green to yellowish with grayish-black spots and stripes; the sheath ear and its hairs are easy to shed. Sheath leaves are long lanceolate, wrinkled, base is constricted; branchlets have 1~5 leaves, leaf sheath mouth is glabrous; leaf blades are dark green, glabrous, narrowly lanceolate, 1~2 cm wide, veinlets are in 6~8 pairs, thin.

 Spikelets are arranged in imbricate panicles; spikelets contain 2~3 flowers, or 2 apical flowers have degenerated, 1~2 glume, lanceolate, with fine hairs; the lower palea is pointed, the surface is piliferous; palea apex is 2-toothed, mucoreous, 12~15 mm long; scales vary in number, 3–1 or absent, lanceolate, about 3 mm long.

 Anthers are 7~10 mm long, when flowering, with very long filaments hanging over the flowers; the ovary is pointed ovate, the long-form style is terminal, total length is about 7 mm, 3 stigmas, about 5 mm long, like a brush. The shooting period is from April to May, and the flowering period is from October to May.

 growing plants of Phyllostachys nigra var.henonis Stapf. Ecological environment: Phyllostachys nigra var.henonis Stapf is usually planted in gardens. The plant is mainly distributed in the middle and lower reaches of the Yellow River, and south of the Yangtze River basin.

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

(3).Sinocalamus beecheyanus (Munro) McClure var.pubescens P.F.Li.

 a growing plant of Sinocalamus beecheyanus Munro McClure var.pubescens P.F.Li. Botanical description: Sinocalamus beecheyanus (Munro) McClure var.pubescens P.F.Li is also known as Bambusa beecheyana Munro var.pubescens P.F.Li, or Dendrocalamopsis beecheyana(Munro) Keng f.var.pubescens(P.F.Li) Keng f. It is also known as Da Tou Dian Zhu or Da Tou Tian Zhu. Plants are lignified, and arboreal. Rod grows up to 15 meters high. Somewhat zigzag, the young rod is piliferous and usually with hairy rings on rod nodes below the middle part, internodes are usually shorter; the back of the sheath is sparsely black-brown, with appressed prorsal bristles. The base of the sheath lobe is narrower. The sheath tongue is long, about 5 mm long; spikelets are usually straw yellow; the back of palea has pilose, ridge with a longer, dense marginal seta. Leaf sheaths are usually piliferous; paraphyll is longer, and the lower palea backside is sparsely pilose. Its flowering period is from March to May, and the shooting period is from June to July.

 growing plants of Sinocalamus beecheyanus Munro McClure var.pubescens P.F.Li. Ecological environment: Sinocalamus beecheyanus grows on hill slopes, flat land, and roadsides. The plant is mainly distributed in the Zhujiang River area and Hainan Island, China.



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

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