[synonyms] Baiwan, zhinvwan (Wu Pu's materia medica) and nvwan (notes to the classic of Materia Medica). Female intestines (Guangya), yangxucao (Lei Gong's treatise on processing), Mao (BIE Lu).
[source] it is the whole grass or root of Asteraceae.
[plant morphology] female aster
Perennial herbs, 30-100 cm high. Stem erect, lower part smooth, upper part villous. Leaves alternate, basal leaves linear lanceolate or lanceolate, 5-12 cm long, 5-12 mm wide, apex gradually acute, base narrow, short petiole, margin rough, sparsely serrate, carved after anthesis; stem leaves sessile, linear lanceolate to linear, smooth above, green, below with fine soft hair, margin rough. Inflorescence densely corymbose, small, 5-8 mm in diameter; involucre tubular, about 4 mm long, bracts lanceolate, hairy, in series; peripheral ligulate flowers white, tongue about 2.5 mm long, tube about 2 mm long; central tubular flowers yellow, about 3.5 mm long, anther base obtuse and entire; stigma 2-lobed, lobes oblong, apex obtuse. Achenes oblong, ca. 1 mm, slightly flat, all hairy; corolla gray white or reddish. It blooms in autumn.
It grows in wet places. Distribution of northeast and Shandong, Jiangsu, Zhejiang, Anhui, Hubei and other places.
[collection] harvest in summer.
[chemical constituents] the whole herb contains quercetin. The root contains volatile oil.
[Xing Wei] 1. Ben Jing: "it tastes pungent and warm. "
② Bielu: "non toxic. "
Functions and indications: warming the lung, resolving phlegm, harmonizing the middle and diuresis. Treatment of cough, asthma, bowel sounds, diarrhea, dysentery, short and astringent urine.
① Ben Jing: "it is mainly used for wind cold washing, cholera diarrhea, bowel sounds, convulsions, cold and heat diseases. "
② Bielu: "treating lung injury, coughing, sweating, long cold in bladder, full of branches, drinking and eating at night. "
③ "Hunan medicine annals": "warming the lung and descending Qi, relieving cough and resolving phlegm, diuresis. "
[usage and dosage] oral: decoction, 3-5 yuan.
[taboo] notes to the classic of materia medica: "fear of bittern and saltiness. "
[prescription selection] ① for cough and asthma: five coins for nvwan, three coins for Baimi and five coins for roadside Jing. Take it in water.
② Treatment of bowel diarrhea: five money for female aster, two money for tangerine peel and two money for calamus. Take it in water.
③ Cure urination short astringent: female aster five money, plantain grass five money. Take it in water. (selected prescriptions from Hunan Pharmacopoeia)
Chinese PinYin : Nv Wan
Folium repens. Dui Ye Cao
Caulis Hedysarum. Gang Xiang Teng
Leek. Jiu Cai
Willow crumbs. Liu Xie
Deer gall. Lu Dan
Mung bean. Lv Dou
Three white grass roots. San Bai Cao Gen
Lion seven. Shi Zi Qi
Shilongruizi. Shi Long Rui Zi
Physalis alkekengi. Suan Jiang Gen
Fresh rehmannia glutinosa. Xian Di Huang
cobra. Yan Jing She