Introduction of Dan Zhu Ye:Lophatherum Herb or Herba Lophatheri.

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 Clearing Heat and Purging Fire.

 TCM Herbs Icon05 Introduction: Herbs Clearing Heat and Purging Fire: an agent or substance that has the effect of clearing heat from the Qi system, with high fever, dire thirst, dry yellow tongue coating and rapid surging pulse, or purging fire from the internal viscera, such as heart fire, liver fire, etc.

Herba Lophatheri(Lophatherum Herb).

Lophatherum gracile Brongn:growing shrub Pin Yin Name: Dàn Zhú Yè.
 English Name: Lophatherum Herb.
 Latin Name: Herba Lophatheri.
 Property and flavor: cold, sweet, tasteless.

 Brief introduction: The herb Herba Lophatheri is the dried stem and leaf of Lophatherum gracile Brongn.(family Gramineae), used for relieving fidgetiness and thirst in cases of febrile diseases, and dysuria with painful urination, also known as a bamboo leaf. The herb is commonly known as Common Lophatherum Herb, Common Lophatherum or Dàn Zhú Yè.

 Botanical source: The herb Herba Lophatheri(Lophatherum Herb) is the dried stem and leaf of Lophatherum gracile Brongn., it is a plant of the Lophatherum. Genus, the Gramineae family of the Poales order.

 Lophatherum gracile Brongn.:growing plant Common official herbal classics and Other famous herbal classics defined the herb Herba Lophatheri(Lophatherum Herb) as the dried stem and leaf of (1). Lophatherum gracile Brongn., or (2). Lophatherum sinense Rendle. These 2 commonly used species are introduced as:

(1).Lophatherum gracile Brongn.

 Lophatherum Herb:herb photo Botanical description: It is commonly known as Common Lophatherum, or Dan Zhu. Herbs perennial, 40~100 cm tall. Rhizome shortish and slightly lignified, fibrous roots often are swollen into fusiform tuberous roots in the middle. Stems tufted, slender, erect, hollow, with fine longitudinal lines on the surface, base lignified. Leaves alternate; Leaf blade lanceolate, 5~20 cm long, 2~3.5 cm wide, apex acuminate, base cuneate and tapering into sessile, entire, both surfaces glabrous or with small spines, veins parallel, small transverse veins conspicuous, midrib prominent on abaxially; Leaf-sheaths smooth or ciliated on one side; Leaf tongue truncate, 0.5~1 mm long, stiff, margin hairy. Panicles terminal, 10~30 cm long, branches few, spikelets sparsely, 7~12 mm long, 1.5~2.5 mm wide, spreading or spreading at maturity, base smooth or prickly, with very short stalk; Glumes rounded, 5-veined, apex obtuse, margin membranous, first glumes shorter than second glumes; Lemma longer than glume, lanceolate, with 7~9 veins, apex of several lemmas hollow, apex with short awn, palea shorter, membranous transparent; Ovary ovate, 2 styles, stigma feathery. Its flowering period is from July to September, fruiting in October.

 Lophatherum Herb:herb photo. Ecological environment: The plant grows wild in undergrowth and damp areas on slopes. The plant distributes in south area of the Yangtze River, and in the Yellow River area of China.

 Growth characteristics: The Lophatherum gracile grows in the hillside forest or the edge of the dank ditch, it prefers a cool climate. The suitable cultivation area is hillside forest and shady and wet place. It is advisable to cultivate in sandy loam rich in humus.

 Lophatherum Herb:herb photo Characters of herbs: Stem and branch is dry with leaves, length 30~60 cm. Goods are often cut off. Stem dry yellow, hollow, flattened cylindrical, diameter 1~2 mm; Knobbly, leaf sheath clasping the stem, long white pilose along the margin. Leaf-blade lanceolate, shriveled, 5~20 cm long, 2~3.5 cm wide, cyan or yellowish-green, glabrous or pubescent, veins parallel, with distinct small transverse veins, light and weak. Weak breath, weak taste. Green in color, large leaves, few stalks, rootless and flower heads are preferred.

 Pharmacological actions: ①.Antipyretic effect; ②.Diuretic effect.

 Medicinal efficacy: Clearing away heat, relieving restlessness, diuresis, indicated for the treatment of fever and polydypsia, dysphoria with smothery sensation, thirst, hot urination with drenching pain, sore of mouth and tongue, swelling and aching of gum, baby crying with fear, stranguria with turbid discharge, etc.

 Administration of Herba Lophatheri(Dàn Zhú Yè): 
Reference: Administration Guide of Herba Lophatheri(Dàn Zhú Yè)
TCM Books: Internally:6~9 grams(CP),Internally:water decoction, 3~5 qian(about 9~15 grams)(DCTM),Internally:water decoction, 9~15 grams(CHMM).
 Precautions and Adverse Reactions: the herb Herba Lophatheri should not be used during pregnancy, should be used cautiously in conditions no excessive fire, warm dampness, should not be used in conditions physical deficiency with cold.

(2).Lophatherum sinense Rendle.

 Lophatherum sinense Rendle.:growing plant Botanical description: It is commonly known as Lophatherum sinense, or Zhong Hua Dan Zhu. The appearance and morphology of this species are similar to that of bamboo. The difference is that the leaves are 4 cm wide. Panicle branches shorter, 3~8 cm long; Spikelets broadly lanceolate, 7~9 cm long, 2.5~3 mm wide; Spikelets ovate, 5~7 veined; First lemma ca. 6 mm long, ca. 5 mm wide, 7 veined, apex with short awn less than 1 mm long. Its flowering period is from August to September, fruiting from September to October.

 Ecological environment: The Lophatherum sinense Rendle grows on hillsides and streams. The plant distributes in the lower reaches area of the Yangtze River, and other areas of China.
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  • 1.Introduction of Dan Zhu Ye:Lophatherum Herb or Herba Lophatheri.
  • 2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).

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