Hedyotis scandens
(a textual research on the names and facts of plants)
[synonyms] yaerzui (a textual research on the names and facts of plants), yazicai, yaercai (medical records of Nanning City), xiangtoucao, zhuercai, Yazui, mapeigua (medical records of Jiangsu Province), feizhucao (herbal medicine manual of Jiangxi Province), shuiyuzan (Chinese herbal medicine of Shaanxi Province).
[source] it is the whole plant of Eupatorium odoratum.
[plant morphology] Hedyotis diffusa
Perennial herbs, about 1 meter high. Rhizome short, nearly erect. Leaves clustered or solitary, ovate to ovate lanceolate, 2-6 cm long and 1-5 cm wide, apex short, base rounded or slightly heart-shaped; petiole 7-17 cm long, with leaf sheath. Raceme from the leaf sheath, 3-6 flowers, petiolate; perianth campanulate, 6-lobed, almost reaching the base, blue and red; stamen 6, with 1 larger one, filament with teeth on one side, anther base inserted, apically split; ovary 3-locular, style thin. Capsule long ovate, 12 mm long, loculicidal, many seeds. The flowering period is from August to September.
In wet areas or paddy fields. It is distributed in most parts of the country.
[collection] harvest in summer and autumn and dry in the sun.
Bitter and cool.
① "Nanning drug records": "sweet, cool, non-toxic. "
② Shaanxi Chinese herbal medicine: "bitter, flat. "
[function indications] clearing away heat and toxin. For dysentery, enteritis, acute tonsillitis, gingival abscess, erysipelas, sores.
① "Clearing away heat, detoxifying. It is used to treat heat and erysipelas, external application to treat swelling sores and snake bites. "
② "Treatment of dysentery and abdominal pain". "
③ Jiangxi "herbal medicine manual": "treat dysentery, enteritis, gingival abscess, acute tonsillitis, sore throat. "
④ Shaanxi Chinese herbal medicine: "pain relief, bone separation. Treat dental diseases. "
[usage and dosage] oral administration: decoction, 5-8 yuan (fresh 1-2 Liang); or mashed juice. External use: tamping; or grinding and scattering.
[selection] 1. To treat hematemesis: one to two pairs of Hedyotis. Stewed lean pork suit. (Jiangxi herbal medicine manual)
② Treatment of red and white dysentery: appropriate amount of duckweed, dried in the sun. Take tea every day for three to four days. (records of Jiangsu medicinal materials)
③ Treatment of sores: duck tongue grass and tung oil tamped on the affected area. (Jiangxi herbal medicine manual)
④ Tooth extraction: two dollars for water Hosta, two dollars for flower root of Hosta, one dollar for letter stone and one pound for crucian carp. The first three herbs were ground into fine powder. The fish intestines were removed. The medicine was sutured and hung in a cool and ventilated place for about 50 days. The frost like substance was produced on the fish scale. When using, peel off the gum slightly, and then apply this medicine (about the dosage on a scale). After a while, the tooth can be pulled out. Do not swallow this medicine to avoid poisoning. (Shangxi Chinese herbal medicine Ligu powder)
⑤ Treatment of snake and insect bites: fresh duck tongue grass, tamping. (Jiangxi herbal medicine manual)
[clinical application] treatment of chronic tracheitis
Take 1 liang of whole canard grass (dry product), add water and boil for 15 minutes, then add honey for 3-5 minutes, and boil for 5 minutes, which is one time. 341 cases were observed, 42 cases (12%) were near control, 121 cases (35.4%) were markedly effective, 140 cases (41.5%) were improved. The total effective rate was 88.9%. Generally 1-2 days, but also 3-4 days. The antiasthmatic effect is better. Side effects: a small number of patients feel dizzy after taking the medicine, individual stomach pain or vomiting, continue to take the medicine will disappear. It can also be used for acute bronchitis and pertussis.
Chinese PinYin : Ya She Cao
Hedyotis scandens