Rusty nails

Rusty nails

(common folk herbs in Kunming)

[synonym] shanhuangdou, Dahongpao, dahehong (commonly used folk herbal medicine in Kunming), hangzishao, shanpipiao, diyougen, bailandihua (Yunnan Chinese herbal medicine).

[source] it is the root of the shoot of leguminous plant maohangzi.

[plant morphology] shoot of Polygonum cuspidatum

Erect shrub, about 1 m high, with rust colored bristles. The woody root is long conic, less branched, and the skin is dark purple red when dry. Leaves alternate, leathery, 3-compound, terminal leaflets ovoid, 2.5-7 cm long, 2-4 cm wide, apex rounded, slightly concave, base rounded or shallowly cordate; lateral leaflets smaller; petiole 5-20 mm long, sometimes subsessile, hairy. Panicle terminal or axillary; pedicel articulated; calyx campanulate, calyx teeth 5, lanceolate, upper two teeth nearly conjoined; corolla purple, 1 times longer than calyx, keel shorter than flag and nearly equal to wing, upper curved. Pods obliquely ovate, ca. 6 mm long, ca. 4 mm wide, with purple reticulate veins.

It grows on the side of mountain stream, paddy field, grass slope, woodland or hillside shrub. It is distributed in Yunnan, Sichuan and other places.

[collection] in autumn, they were cut and dried in the sun.

[nature and taste] common folk herbs in Kunming: "astringent, slightly bitter, slightly warm. "

Functions and indications: promoting blood circulation, regulating menstruation, regulating qi and relieving pain. Treatment of irregular menstruation, amenorrhea, dysmenorrhea, bleeding, leucorrhea, stomachache, sprain, trauma, bleeding, scald.

① "Kunming folk commonly used herbal medicine": "removing blood stasis, promoting blood circulation, regulating menstruation, hemostasis, detoxification. "

② Yunnan Chinese herbal medicine: "regulating menstruation and activating blood circulation, regulating qi and relieving pain. Treatment of amenorrhea, dysmenorrhea, red collapse, leucorrhea, stomachache, peptic ulcer. "

[usage and dosage] oral administration: decoction, 1-4 Liang; or soaking in wine. External use: grind powder mixed with or fresh root baked juice liniment.

[prescription selection] ① for irregular menstruation, amenorrhea and waist sprain: rusty nails and wine soaked clothes.

② To cure women's red collapse: brown sugar mixed with rusty nails.

③ Treatment of women's body deficiency infertility: rust nails and chicken or pork simmer to eat, or with TAIZISHEN simmer water mixed with brown sugar to eat.

④ Treatment of traumatic bleeding: rust nail root skin, cuttlefish bone, Pennisetum. At the end of the study, external hemostasis.

⑤ Treatment of yellow water sores, trauma, bleeding, burns, otitis media: rust nail fresh root baked juice external application. Or scrape the juice while baking, dry it in the sun and grind it into fine powder, bottle it and seal it for use. (selected the prescription of Kunming folk commonly used herbs)