Drosera

Drosera

(notes on materia medica)

[synonym] shilongyacao (a textual research on the name and reality of plants), Piper nigrum (classified herbal medicine), Piper nigrum (Sichuan Traditional Chinese medicine annals), xiawutrace, baihuaye (Hunan medicine annals), huangjinsi, dishuibugan (Jiangsu medicine annals). Mountain bark (Guizhou herbal medicine), Cordyceps sinensis, Cordyceps sinensis, squid grass (Fujian herbal medicine), fly grass, fly catching grass, fly net, pearl grass, wild sorghum (Yunnan herbal medicine).

[source] it is the whole plant of caltropaceae.

[plant morphology] caltrop

Perennial weak small herbs, 6-25 cm high. The root is spherical. Stem erect, slender, simple or upper branched. The root leaves are small, round, withered and carved when flowering; the stem leaves are alternate, with petioles, about 1 cm long; the leaves are crescent shaped, with a transverse diameter of about 5 mm, concave at the base, with many fine hairs on the edge and leaf surface, secreting mucus and sometimes dew beads, which can catch insects. The flowers are small; sepals 5, base connate, ovate, with irregular marginal teeth and glandular hairs; petals 5, white, long and narrow obovate, longer than sepals, with color longitudinal stripes; stamens 5, filaments slender; pistils single, ovary superior, 1-locular, style 3, finger 4-lobed. Capsule loculicidal dehiscence. The seeds are small, oval, with longitudinal strips. The flowering period is from May to June.

Under the forest, grass and other semi shade wetlands. It is distributed in the Yangtze River Basin, Pearl River Basin and southern Tibet.

The tuberous root of this plant (Brassica campestris L.) is also used for medicine. See special article for details.

[collection] collected from May to June, fresh or dried.

[chemical constituents] the whole plant contains many quinones, such as dipyridamole, curculidione, hydronaphthoquinone, etc. The secretion of glandular hair contains trypsin like protease.

[pharmacological action] for the pharmacological action of jisongsu, please refer to "baihuadan".

[nature and taste] Gan Xin, Ping, toxic.

① "Materia medica carry legacy": "taste sweet, flat, non-toxic. "

② Sichuan Traditional Chinese medicine annals: "warm in nature, pungent in taste, non-toxic. "

[function indications] it is used to treat stomachache, red and white dysentery, infantile malnutrition and traumatic injury.

① "Materia medica collection": "the main red white dysentery for a long time. "

② Classification of herbal medicine: Xiaqi. Treatment of traumatic injuries. "

③ "Hemostasis, analgesia" in "records of Jiangsu medicinal materials". "

[usage and dosage] oral administration: decoct soup, 1-3 yuan; grind powder or soak wine. External use: tamping.

[formula selection] ① for cold and fever: ten fresh plants of curd. Take it in water. (Fujian Chinese herbal medicine)

② Treatment of hematemesis and stomachache: do not dry a drop of water. Fried soup. (records of Jiangsu medicinal materials)

③ For sore throat and dysentery: three to five bucks for maogao CAI. Take it in water. (Fujian Chinese herbal medicine)

④ Cure the wound of knife and Axe: mixed boiled water with caltrop and white flower powder. (records of Sichuan Traditional Chinese Medicine)

⑤ Treatment of scrofula: mash fresh maogao CAI and apply it to the affected area. (Fujian Chinese herbal medicine)

⑥ Treatment of infantile malnutrition: three to four points of maogaocai. Take it in water. (main poisonous plants in South China)

[clinical application] ① treatment of rheumatoid arthritis

Sun dry the whole grass and grind it into powder. Mix it with water to make a mung bean or soybean sized ball. Apply it to the affected area (pain point) and fix it with adhesive tape. Remove it after 24 hours. After dressing, there is a slight burning pain and blisters, which is a normal reaction. 40 cases have been treated, and all of them have achieved certain results.

② Treatment of neurodermatitis

Take the whole herb of Baijiu, wipe it properly, wipe it to the skin, and burn it for 1 times a day. 8 cases of neurodermatitis were treated. After 3-4 times of treatment, local itching stopped and scales fell off.