(Textual research on plant names and facts)

Different names of Polygonum multiflorum Thunb. , Caoxuejie (southern Yunnan Materia Medica), Sanguis Draxonis, Gongyaolao (morphological experience identification method of traditional Chinese medicine), Jinji (southern Yunnan Materia Medica), Tuitou chicken, one mouthful blood, snake pimple (annals of Sichuan traditional Chinese medicine), purple flower root, ground bee, ground black bee and old waist bow (annals of Sichuan traditional Chinese medicine)

The source is the rhizome of Draxonis Draxonis of Polygonaceae.

Plant morphology dragon's blood

Herbs perennial, about 40 cm tall. Rhizomes are huge, brown and black, with many fine roots. The stems are slender, green, angular and hairless. Rhizome leaves are lanceolate to oblong, 8 ~ 22 cm long and 6 ~ 45 mm wide, with sharp or acute tips and a wide wedge-shaped or nearly round base, slightly rolled up; Green above, pink below; The ribs on both sides protrude; The petiole is 5 ~ 12 cm long. Cauline leaves alternate, petiole length 1.5 ~ 3.5 cm, sometimes subsessile, stipules sheath-shaped, the rest are the same root leaves. Spike, about 3 ~ 8 cm long; Bracts and bracteoles membranous, lanceolate, with brown midvein on the back. The flowers are reddish and the stems are short; Perianth 5-lobed, imbricate arrangement; Stamens 5; Ovary ovoid and flat, style 2-lobed. Nutlets are triangular, dark brown and shiny. Flowers bloom in summer.

There are rocks or grassy slopes. Distributed in Yunnan, Sichuan, Guizhou and other places.

Excavation in autumn, stem removal, leaf removal, mud removal and sun drying.

The dried rhizome of medicinal materials is oblate, often curly, slightly thinner at both ends, 2.5 ~ 7 cm long and 1 ~ 2 cm in diameter. The epidermis is dark brown, with thick transverse stripes, some nodes, leaving a small amount of leaf base and fibrous roots. Hard and not easy to break. The cut surface is uneven, reddish brown, and the vascular bundle is yellow and white, showing a round star shape. It tastes astringent. It is best to have a reddish-brown heart without roots.

Produced in Yunnan, Sichuan and other places.

Processing to remove impurities and residual fibrous roots, cleaning, fully wetting, slicing and drying.

Sexual taste 1 "Southern Yunnan Materia Medica": "Slightly warm, bitter and bitter."

② Annals of Sichuan Traditional Chinese Medicine: "Cool in nature, sour in taste and non-toxic."

Function is mainly used for promoting blood circulation, stopping bleeding, reducing qi and relieving pain. Can be used for treating chronic gastritis, gastric and duodenal ulcer, dyspepsia, abdominal mass, irregular menstruation, edema, traumatic injury, and traumatic hemorrhage.

① Herbs in southern Yunnan: "Widening the middle and lowering the qi, promoting digestion overnight, reducing swelling, hard and hard over the years, stomachache, cold face pain, abdominal pain in women. Eliminate edema, break blood stasis and stop coughing. "

② Annals of Sichuan Traditional Chinese Medicine: "Promoting blood circulation to stop bleeding." Treat Danting, yellow swelling, nameless swelling, female fire and snake bite. "

(3) Selected Chinese herbal medicines in Yunnan: "Stop bleeding, relieve pain and stop diarrhea. Treat chronic gastritis, gastric and duodenal ulcer, traumatic injury and irregular menstruation. "

Oral administration and dosage: decocted, 1 ~ 3 yuan; Grind into powder or soak in wine.

Prescription 1: Treatment of lump pain and abdominal pain in men and women: grass and dragon's blood are baked. One yuan, sugar and hot wine set. For patients with qi deficiency, Areca catechu and Wu Tai are added. (southern Yunnan materia medica)

② Treatment of edema due to cold and dampness: dragon's blood San Qian, fennel root San Qian and Amomum tsaoko. * * * Finally, cook it with loach fish for three or four times. (southern Yunnan materia medica)

③ Treatment of bacillary dysentery: Draxonis dry powder 1 yuan to 1 yuan 50 cents, swallowed three times a day. (Yunnan Chinese herbal medicine selection)

④ Treatment of traumatic bleeding: grind Sanguis Draxonis powder and apply it to the wound. (Yunnan Chinese herbal medicine selection)

Remind you: Dragon's Blood, a Chinese herbal medicine, comes from the Internet. Please follow the doctor's advice before use.