Tongjingcao

Tongjingcao

(records of Shanxi Traditional Chinese Medicine)

[synonym] jinsicao (Shanxi Traditional Chinese medicine records), zhijingcao, jinxiantongpi, tiegucao (Zhejiang traditional Chinese medicine resources list), and Jingcao, xiaoziquan, Shenjincao (Henan traditional Chinese medicine manual).

[source] it is the whole plant of Dryopteris argentea in China.

[plant morphology] Dryopteris argenteus

Perennial herbs, 20-40 cm high. Rhizome erect, densely covered with bright black lanceolate scales with reddish brown edge, leaves clustered; petiole 7-20 cm long, glossy, brown chestnut, glabrous except for basal scales; leaf blade pentagonal palmate, 7-10 cm long, 5-8 cm wide, 2-3 pinnate divisions, the lowest pinnate largest, oblique triangle, pinnate again, lobes linear long elliptic; vegetative leaves slightly serrate, with lower pinnate The surface is covered with yellow powder, few with or without powder, the leaf quality is slightly thick, and the central axis is brown and chestnut. The sporangia are mostly distributed on the edge of leaves, brown, narrow and continuous. The inner edge of the cap of sporangia is sparsely dentate.

It grows between rock gaps. Distributed in Yunnan, Guangxi, Jiangxi, Zhejiang, Taiwan, Shaanxi, Shanxi, Hebei, Shandong, Inner Mongolia, northeast and other places.

[collection] collected in autumn and dried in the sun.

[herbal medicine] it is a dry whole grass with golden petiole, brown chestnut color, glossy, hollow, green heart in the middle, green on the top and gray on the bottom, and sporangia on the edge. Rhizome dark brown, scaly, numerous fibrous roots. There is no breath, and the taste is light.

Produced in Shanxi, Zhejiang, Shaanxi and other places.

[chemical constituents] the leaves contain fernic acid, sucrose and flavonoids.

[nature and taste] Henan Handbook of Chinese herbal medicine: "the nature is flat, the taste is light; the leaf is bitter. "

It has the functions of regulating dampness and relieving cough. Treatment of cough, irregular menstruation, red leucorrhea.

① "Shanxi Traditional Chinese medicine annals": "promoting blood circulation and dredging meridians. "

② "Zhejiang traditional Chinese medicine resources list": "treating convulsions and convulsions in children. "

③ The list of medicinal plants in Guangxi: "relieving cough, treating women's diseases."

④ "Henan Chinese herbal medicine manual": "promoting blood circulation, regulating menstruation, eliminating dampness, dispersing cold, relieving pain. "

[usage and dosage] oral: decoction, 3-5 yuan.

[selected formula] for irregular menstruation, red and white belt: divide the menstruation into two parts. Take it in water. (Henan Chinese herbal medicine manual)