Introduction of Niu Xi Xi:Patient Dock Root or Radix Rumecis Patientiae.

TCM Herbalism:Medicinals and Classifications. ✵The article gives records of the herb Patient Dock Root, its English name, Latin name, property and flavor, its botanical source one plant species, ①.Rumex patientia L., with a detailed introduction to the botanical features of this plant species, the growth characteristics, and ecological environment of this plant species, the features of the herb Patient Dock Root, its pharmacological actions, medicinal efficacy, and administration guide.

Radix Rumecis Patientiae(Patient Dock Root).

Radix Rumecis Patientiae:herb photo Pin Yin Name: Niú Xī Xī.
 English Name: Patient Dock Root.
 Latin Name: Radix Rumecis Patientiae.
 Property and flavor: cold, bitter, sour.

 Brief introduction: The herb Radix Rumecis Patientiae is the dried root of Rumex patientia L., used as a blood-cooling hemostatic for various types of hemorrhage due to excessive heat in the blood. The herb is commonly known as Radix Rumecis Patientiae, Patient Dock Root, Niú Xī Xī.

 Botanical source: Common herbal classics and other famous herbal classics defined the herb Radix Rumecis Patientiae(Patient Dock Root) as the dried root of the species (1). Rumex patientia L. It is a plant of the Rumex L. genus, the Polygonaceae family (smartweed or buckwheat family) of the Polygonales order. This commonly used species is introduced:

(1).Rumex patientia L.

 Rumex patientia L.:growing plants Botanical description: The plant is commonly known as Bā Tiān Suān Mú. Perennial herb, it grows up to 1~1.5 meters tall. The roots are stout and tawny. Stem is upright stout, simple or branched. Basal leaves are sessile, oblong, the base is rounded or cordate, 15~30 cm long, entire or undulate; Cauline leaves are smaller, oblong-lanceolate, subsessile, stipules are sheathed membranous, tubular. Large panicles are terminal and axillary; Flowers are bisexual, most clustered whorls; Pedicels grows below middle articulate; 6 tepals, pale green, into 2 layers, persistent, inner layer 3 when fruiting, base is with tuberculate processes; 6 stamens; Ovary is superior, 3 styles, stigma is finely lobed. Achene is ovate-triangular, 3 mm long, brown, enclosed in the perianth. Its flowering period is from May to June, the fruiting period is from August to September.

 Rumex patientia L.:flowering plant Ecological Environment: The plant grows in valleys, roadsides, meadows or ditches. Resources distribution: The plant is mainly distributed in the northwest, north area , and other areas of China.

 Patient Dock Root:herb photo Characters of herbs: The root is round or cone-like, with a few branches, 20 cm long and 5 cm in diameter. The root head is swollen, with a residual stem base at the top, there are brown-black scaly leaf base fiber bundles and fibrous root marks around it, and dense transverse stripes under it. The surface is brownish-gray to brownish-brown, with longitudinal wrinkles and punctate fibrous root marks, and laterally extended lenticels-like scars. The texture of the herb is tough, hard to break, the fracture surface is yellow-gray, strong fibrous. The herb has a slight odor, it tastes bitter.

 Rumex patientia L.:growing plant in rocks Pharmacological actions: ①.hemostasis effect; ②.significantly increase the number of platelets in patients with thrombocytopenia.

 Medicinal efficacy: Clearing heat and detoxification, activating blood and hemostasis (stanch bleeding), detumescence (reduce swelling), relaxing the bowels, kill parasites. It is indicated for the treatment of hememesis (spitting blood), epistaxis (nose bleeding or bleeding from five aperture or subcutaneous tissue), hemafecia (pass blood in stool), dysentery, hepatitis, internal bleeding, thrombocytopenia, purpura (hemokelidosis), chronic enteritis, leukorrhea with reddish discharge, traumatic injury, constipation, dysuria (difficulty in urination), carbuncle scabies, swelling poison, scabies, purulent boils and abscess, burns from soup and fire.

 Administration of Radix Rumecis Patientiae (Niú Xī Xī): 
Reference: Administration Guide of Radix Rumecis Patientiae (Niú Xī Xī)
TCM Books: ①.Internally:water decoction,3~5 qian (about 9~15 grams). Externally:mashed and apply stick, prepare to ground powder with vinegar and smear apply, or prepare to finely ground herb powder and apply stick; ②.Internally:water decoction,10~30 grams. Externally:proper amount, mashed and apply stick; prepare to ground powder with vinegar and smear apply, or prepare to finely ground herb powder and apply stick, or wash with water decoction.
 Contraindications, Precautions and Adverse Reactions:Mistakenly take patient dock root overdose, easily lead to diarrhea, vomiting, mistakenly take large amount of stem and leaves easily lead to abdominal distension, sialorrhea, gastroenteritis, diarrhea. Rescue: take activated carbon or albumin tannate internally, intravenous drip 5% glucose in normal saline, with symptomatic treatment.

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