Benefits and Morphology of Nv Wan: A Traditional Chinese Medicine

January 5, 2024

As a type of traditional Chinese medicine, Nv Wan has many benefits. Let's take a look at the Nv Wan pictures and the plant morphology.

【Benefits and Functions of Nv Wan】

Nv Wan has the effects of warming the lungs, transforming phlegm, and promoting diuresis. It is mainly used to treat cough, asthma, intestinal rumbling, diarrhea, dysentery, and difficult urination.

1. "Compendium of Materia Medica": "It treats wind-cold washing, cholera, dysentery, intestinal rumbling that is constantly changing, epilepsy, and various cold and heat disorders."

2. "Additional Records": "It treats lung injuries, coughing and reverse flow of Qi, excessive sweating, chronic cold in the bladder, fullness in the chest, and disease caused by drinking alcohol and eating at night."

3. "Hunan Pharmacopoeia": "It warms the lungs and disperses Qi, stops coughing, transforms phlegm, and promotes diuresis."

【Original Plant Morphology of Nv Wan】

Nv Wan is a perennial herb with a height of 30 to 100 centimeters. The stem is upright, smooth in the lower half, and covered with fine hairs in the upper half.

The leaves are opposite, with lanceolate or lanceshaped bases, 5 to 12 centimeters long, 5 to 12 millimeters wide, gradually pointed at the tip, narrow at the base, short stalked, rough at the edges, sparsely serrated, and shed after flowering;

The leaves on the stem of Nv Wan are sessile, linear-lanceolate to linear in shape, smooth on the upper surface, green, and covered with fine soft hairs on the lower surface, rough at the edges.

The inflorescence is dense and umbel-shaped, with small flowers, about 5 to 8 millimeters in diameter; the involucre is tubular, about 4 millimeters long, with lanceolate bracts and fine hairs in several rows;

The peripheral ligulate flowers are white, about 2.5 millimeters long, and the tubular flowers in the center are yellow, about 3.5 millimeters long, with blunt and entire anther bases; the stigma is 2-lobed, with long-oval lobes and blunt tips.

The fruit of Nv Wan is oblong, about 1 millimeter long, slightly flattened, and covered with hairs; the corolla hairs are gray-white or reddish. It blooms in autumn.

【Applications of Nv Wan in Prescriptions】

1. Treatment of cough and asthma: Nv Wan 15g, Jin Xian Diao Bai Mi 9g, roadside Jing 15g. Decoction and oral administration.

2. Treatment of intestinal rumbling and diarrhea: Nv Wan 15g, Chen Pi 6g, Chang Pu 6g. Decoction and oral administration.

3. Treatment of difficult urination: Nv Wan and Che Qian Cao, each 15g. Decoction and oral administration. (Prescriptions 1-3 are from "Hunan Pharmacopoeia")

4. Treatment of nephrolithiasis: Nv Wan one liang. Grind and sift. Take two qian bi per dose, one cup of water, boil for seven minutes, and take warm without time restrictions. ("Comprehensive Records of Saintly Benevolence")

【Nv Wan Pictures】

  
Nv Wan Pictures
  
Nv Wan Pictures

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