Introduction of Yun Xiang Cao:Lemongrass or Herba Cymbopogonis.
✵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:Antiasthmatics Herbs.
Introduction: Antiasthmatics: an agent or substance herbs that relieves cough and asthma(or dyspnea), usually by ventilating, clearing or moistening the lung, or directing lung Qi downward, stringing lung Qi or resolving phlegm.
Pin Yin Name: Yún Xiāng Cǎo.
English Name: Lemongrass,Remote Lemongrass Herb,Herb of Remote Lemongrass.
Latin Name: Herba Cymbopogonis.
Property and flavor: warm, pungent, bitter.
Brief introduction: The Herb Herba Cymbopogonis is the dried aerial part of Cymbopogon distans(Nees) A. Camus (family Gramineae), used to relieve cough and dyspnea. The herb is commonly known as Yún Xiāng Cǎo.
Botanical source: The herb Herba Cymbopogonis(Lemongrass) is the dried aerial part of Cymbopogon citratus(DC.) Stapf., it is a plant of the Cymbopogon genus, the Poaceae (Gramineae or true grasses) family of the Poales order.
(1).Cymbopogon citratus(DC.) Stapf.: Botanical description: The Cymbopogon citratus(DC.) Stapf., is a plant of the Gramineae family and Cymbopogon genus, it is commonly known as "Lemongrass, Andropogon citratus, Guatemala lemongrass, Madagascar lemongrass, lemon grass or oil grass", or "Xiang Mao", perennial herbs. Culm thick, up to 2 meters. It has the smell of lemon. The leaves are 1 meter long and 15 mm wide, both sides are gray-white and rough. Buddha flame bracts lanceolate, narrow, 1.5~2 cm long, red or yellowish brown, 3 to 5 times longer than common stem; Inflorescences linear to oblong, evacuated, branching triply, base discontinuous, branches thin and declinate or slightly curved to arch. First branch with 5 to 7 nodes, second or third branch with 2 to 3 nodes and pure.
Raceme twin, 1.5~2 cm long, with 4 nodes; Cob internodes 2~3 mm long, slightly pubescent, but not shaded by spikelets, sessile spikelets are amphiculate, unawned, sharp. The apex of the first glume is provided with 2 micro teeth, the ridge is provided with a narrow wing, and the back is slightly concave and depressed in the lower part. No veins between ridges, the apex of 2nd lemma shallowly lobed, with short pointed, unawned, sessile spikelets are dark purple.
Growth characteristics: The plant grows on a hillside meadow. It mainly distributes in the southwest and northwest area of China. It is suitable for growing in warmer climates, preferably on slopes with good drainage.
Characters of herbs: The whole grass is 40~110cm long, stems are fascicled, slender, gray-green to dark green, sometimes is purplish, nodes are swollen. Leaf blade is narrowly striate, 25~70 cm long, 1~6 mm wide, margin sometimes outrolled, glabrous on both sides, covered with white powder, leaf sheaths are glabrous, base is often broken and infolded, the inner surface is light red; the tongue leaf is obtuse, 2~4mm long, membranous, apex often irregularly ruptured. With a special aroma, spicy taste, benumbing the tongue when chewing in mouth. The herb which color is gray green, thick and strong, many leaves, strong aroma is better.
Pharmacological actions: The herb has antiasthmatic effect, antitussive effect, antibacterial effect.
Medicinal efficacy: Relieve the exterior syndrome, remove dampness through diuresis, relieve cough and calm asthma. Indicated for anemofrigid cold, sunstroke or summer affection, vomit diarrhea and abdominal pain, drenching pain in urination, rheumatism and pain or numbness, cough and panting.
Administration of Herba Cymbopogonis(Yún Xiāng Cǎo):
Administration Guide of Herba Cymbopogonis(Yún Xiāng Cǎo)
Internally:3~9 grams(CP),Internally:water decoction, 3~5 qian(about 9~15 grams),big dosage 1~2 liang(about 30~60 grams),infusing in wine,Externally:fumigate wash with water decoction(DCTM),Internally:water decoction, 9~15 grams,big dosage could be 30~60 grams, or infusing in wine,Externally:proper amount, mashed and apply stick, or fumigate wash with water decoction(CHMM).
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1.Introduction of Yun Xiang Cao:Lemongrass or Herba Cymbopogonis.
2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).