Manjianghong

Manjianghong

(compendium)

[synonym] red duckweed (classified herbal medicine), grass rootless, water floating (Kaibao materia medica), red floating (Guizhou folk medicine Collection), floating (Sichuan Traditional Chinese medicine records).

[source] it is the whole herb of Manjianghong, a family of manjianghongke.

[plant morphology] Manjianghong

Floating plants, slightly triangular. Rhizome transverse, pinnate branched; fibrous roots many, hanging in water. The leaves are small, alternate, dense, arranged in two rows of imbricate shape on the nucleus, pear shaped, oblique square or oval, sessile; the leaves are green, red at maturity, with many milk like protuberances on the top and cavities below, containing colloid, in which cyanobacteria coexist. There are two kinds of sporophores, one is big and the other is small. They grow in pairs under the first leaf of the lateral branch. The megasporophore is small and long ovate. There is a megasporangium in the fruit, which contains one megaspore. The microsporophore is large and spherical. There are many microsporangia in the fruit, each containing 64 microspores.

In paddy fields or ponds. It is distributed in southwest, South and central China.

The root of this plant (mangjianghonggen) is also used for medicine. See special article for details.

[collection] harvest in summer and dry in the sun.

[medicinal material] it is a dry whole grass, with small triangular leaves and dense twigs, shrunken into flakes with a diameter of about 4 mm. It is yellowish green on the top and purplish brown or reddish brown on the bottom; it has many fine fibrous roots and is muddy gray. It's light in weight and airless. The best color is red.

Produced in Sichuan.

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

[function indications] sweating, dispelling wind, penetrating rash. Treatment of rheumatism, pain, wind pruritus, rash, measles, tinea, burns.

① "Gangmu": "the main carbuncle, paste into the use. "

② "Classification of herbal medicine": "red and white wind pill, skin itching, wind paralysis. "

③ "Collection of commonly used folk herbal medicines:" boiling water in a cloth bag and ironing outside can produce measles that has been collected. "

④ Sichuan Traditional Chinese medicine annals: "sweating and diuresis, dispelling wind and dampness, treating rash, warming up, itching, urinating, relieving thirst, treating rheumatism and tinea. "

[usage and dosage] oral administration: decoction, 1-3 yuan. External use: wash with boiling water or hot iron.

[taboo] it is forbidden to take it if the exterior is deficient and self sweating.

[selected formula] ① for rheumatic pain, sweating and expelling wind: red floating 40. Take 20 pieces of them, mash them and bake them. Wrap them in the rheumatic pain area while they are hot. After wrapping, use needles (disinfect them first) to prick around the affected area to let out air, so as to avoid internal channeling. At the same time, mash the other 20 pieces of red float and cook sweet wine for oral use. (Guizhou folk medicine Collection)

② Treatment of chest and abdomen swelling: red duckweed, peach kernel, Arnebia, Maogen each five money. Simmer the thick juice and wash the Baijiu one or two.

③ Measles: red duckweed three money. Coriander and Toona bark are two yuan each. Simmer water clothes, and then wipe the whole body with dregs.

④ Treatment of rheumatism, leprosy: red duckweed, Xanthium each two. Simmer and wash the whole body with water.

⑤ Treatment of jiuziyang: red duckweed pound down, mixed with sweet wine applied to the affected area.

⑥ Red collapse, leucorrhea: red duckweed two money. Simmer sweet wine to eat. (2) Guizhou herbal medicine

⑦ Treatment of fire burns: red floating, dry in the sun and grind into powder, and apply with tung oil. (prescription of traditional Chinese medicine in Guizhou)