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).

Bamboo Shavings:herb photo 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.

 Bambusa tuldoides Munro.:growing plant 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.

 Bambusa tuldoides Munro.:growing plant 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 6 cm in diameter. The top is not bending over, multi-branched on nodes of the rod; the internode is cylindrical, internode of the rod and sheath around the joints of bamboo is smooth and glabrous.

 Ecological environment: Bambusa tuldoides Munro grows in 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.

 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, with vertical lines. The fracture surface is strong fibering. The texture of the herb is light and tough, and flexible. The herb is slightly fragrant and tastes slightly sweet. The herb of better grade has uniform and thin silks, yellowish green, the texture is soft, and flexible.

 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, green after growth, or gray-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 fiber fly, 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; Branchlet has 1~5 leaves, leaf sheath mouth is glabrous; Leaf blade is dark green, glabrous, narrowly lanceolate, 1~2 cm wide, veinlets are in 6~8 pairs, thin. Spikelets arranged into imbricate panicles; Spikelets containing 2~3 flowers, or 2 apical flowers have degenerated, glume 1~2, lanceolate, with fine hairs; lower palea is pointed, the surface is hairy; palea apex is 2-toothed, with fiber fly, 12~15 mm long; Scales vary in number, 3 to 1 or absent, lanceolate, about 3 mm long. Anthers are 7~10 mm long, when flowering, with very long filaments hanging over the flowers; Ovary is pointed ovate, 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, the flowering period is from October to May.

 Phyllostachys nigra var.henonis Stapf.:growing plant 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. Should choose a leeward and sunny slope, the gentle slope 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 or slightly acidic or slightly alkaline.

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

 Sinocalamus beecheyanus Munro McClure var.pubescens P.F.Li.:growing plant 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; Palea dorsal 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, shooting period is from June to July.

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