Female aster

Female aster

(Ben Jing)

[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