Chuanmutong

Chuanmutong

(photos of Chinese medicine specimens)

[synonym] huaimutong (records of traditional Chinese Medicine), youmutong and baimutong (records of Sichuan Traditional Chinese Medicine).

[source] it is the essential stem of Akebia and Hydrangea in Ranunculaceae.

[plant morphology] 1. Akebia, also known as shanmutong, tututong and huhuxu.

Evergreen climbing shrub, up to 5 m high. Stems reddish purple or yellowish brown, striped. Petiole 3-7.5cm long; leaflets leathery, ovate lanceolate or ovate oblong, 6-14cm long, 3-7cm wide, apex long pointed, base round or heart-shaped, entire, main veins 3-out, lateral veins reticulate, distinct. Panicle axillary, terminal, inflorescence each node has a pair of bracteoles, the base surrounded by rectangular scales; flower diameter about 3 cm; calyx 4, white, petaloid, oblong or obovate oblong, apex obtuse; petals absent; stamens many, about 5 mm long; pistils many, about 3 mm long, ovary and style have upward straight hair. Achene oblate ovoid, 3 mm long, Pinnate, persistent style 5 cm long.

Distributed in Guangxi, Hubei, Hunan, Sichuan, Guizhou, Yunnan and other places.

⑦ It is also known as siduomei (Tianbao materia medica), clematis, huamutong and baihuamutong.

Climbing shrubs, 3-5M high. Stem brown or purple, striped. 3-compound leaves opposite; petiole slender, right hairy or almost hairless; leaflets ovate or elliptic, 4-6cm long, 2.5-4cm wide, base round or broadly cuneate, apex long, margin coarsely serrated, sometimes as deep as lobule, teeth apically slender, both sides with sparse hairs, or glabrous; leaves clustered with flowers, from branches of the previous year. Flowers 1-6 clusters, slender petiole; white flowers, 3-5cm in diameter; perianth 4, elliptic oblong, round head or protruding into a short pointed head, or slightly concave, under both sides of dense villi, middle hair sparse or few glabrous; stamens very dense, pollen sac yellow; pistils many, ovary ovate, style erect, filiform, long hair very dense, stigma short. Achene oblate ovate, 4 mm long, style retained, hooked curved, pinnate.

Born in forest edge and half shade. It is distributed in Anhui, Hubei, Shaanxi, Sichuan, Guizhou, Yunnan and other places.

[collection] harvest in autumn. Cut the older stem, cut the long segment, scrape off the skin and dry in the shade.

[medicinal materials] ① the dried stem of Akebia is a thin cylindrical shape, 30-60 cm long and 0.8-2 cm in diameter. The outer skin is reddish brown or grayish yellow, mostly tearing, easy to peel off from the xylem, with longitudinal stripes, swollen nodes, and traces of petiole and lateral branches falling off; the xylem is yellowish brown or yellowish white. The body is light and hard, not easy to break, the cross section is radial lobes, the arrangement of catheter holes is dense, and the medulla is obvious. Weak Qi, bitter taste.

Sichuan, Guizhou and other places.

② The dry stem of Hydrangea is cylindrical, 6o-100cm long and 1.5-3cm in diameter. The outer skin is yellowish brown, often exfoliated with longitudinal stripes; the nodes are slightly enlarged. The body is light, tough, with radial texture and most of the catheter holes arranged in order. The air is weak and the taste is bitter. It is better to be thick, yellow and white.

Produced in Sichuan.

There are many plants of the same genus called Akebia as medicine, the main ones are: ① nvwei (see "nvwei") which is used as Akebia in Hunan; ② Clematis simplicifolia, which is used as Akebia in Nanchuan of Sichuan; ③ shanmutong, which is used as Akebia in Sichuan and Hunan; ④ maomutong, which is used as Akebia in Baxian of Sichuan; ⑤ pieweng tiexianpeng, which is also called xiaomutong; ⑥ huangtengtong, which is used as Akebia in Hunan, which is used as Akebia in Sichuan, which is used as Akebia in Yunnan (7) the small coir raincoat vine is also called Mutong in Yunnan

[nature and taste] records of Sichuan Traditional Chinese medicine: "cold in nature, light in taste, bitter, non-toxic. "

[Guijing] Sichuan Traditional Chinese medicine annals: "entering heart, lung, small intestine, bladder, etc. "

Functions and indications: clearing away heat and promoting diuresis, promoting blood circulation and promoting milk circulation. Treatment of dampness and heat, dysmenorrhea, edema, Lin disease, women's milk difficult, menstruation stop.

① "Xiaomu Tongli urinates. "

② Sichuan Traditional Chinese medicine annals: "it can promote diuresis, clear away heat and activate blood vessels. Treatment of kidney disease, edema, acute nephritis, adverse urination, dampness and heat, dysmenorrhea, gonorrhea, women's diameter closed and milk closed. "

[usage and dosage] oral administration: decoction, 1-3 yuan.

[Yiji] Sichuan Traditional Chinese medicine records: "excessive urination. It should not be used for enuresis, asthenia and pregnant women. "

Chinese PinYin : Chuan Mu Tong