Introduction of Fan Bai Cao:Diverse-color Cinquefoil or Herba Potentillae Discoloris.

TCM Herbalism:Medicinals and Classifications. ✵The TCM herbalism is also known as pharmaceutics of Traditional Chinese Medicine, or Chinese pharmaceutics, is the branch of health science dealing with the preparation, dispensing, and proper utilization of Chinese herbs. It is majorly composed of Introduction of Chinese Medicinals, Classification of Chinese Herbs, Formulas, and Patent medicines.

Classifications of Herbs:Herbs Clearing Heat and Drying Dampness.

 TCM Herbs Icon05 Introduction: Herbs Clearing Heat and Drying Dampness: an agent or substance bitter in taste and cold in property that is effective for eliminating heat and dampness, usually used in the treatment of diseases caused by damp-heat, such as acute jaundice, acute dysentery, urinary infection, eczema, boils and abscesses.

Herba Potentillae Discoloris(Diverse-color Cinquefoil).

Herba Potentillae Discoloris:fresh herb photo Pin Yin Name: Fān Bái Cǎo.
 English Name: Diverse-color Cinquefoil.
 Latin Name: Herba Potentillae Discoloris.
 Property and flavor: neutral, slight bitter, sweet.

 Brief introduction: The Herb Herba Potentillae Discoloris is the dried entire plant of Potentilla discolor Bge. (family Rosaceae), used for treating enteritis, dysentery, pharyngitis, and gastro-intestinal bleeding. The herb is commonly known as Herba Potentillae Discoloris, Diverse-color Cinquefoil, Fān Bái Cǎo.

 Botanical source: Common herbal classics and official herbal classics defined the herb Herba Potentillae Discoloris(Diverse-color Cinquefoil) as the dried entire plant of (1). Potentilla discolor Bge. It is a plant of the Potentilla L. Genus, Rosaceae family, Rosales order. This commonly used species is introduced as:

(1).Potentilla discolor Bge.

  Potentilla discolor Bge.:flowering plants Botanical description: It is commonly known as potentilla discolor, diversecolor cinquefoil, Fān Bái Cǎo. Perennial herb. The root is stout, and the lower part is often thick and fusiform. Flower stems are erect, ascending or slightly spreading, 10~45 cm tall, densely covered with white woolly hairs. Basal leaves have lobules 2~4 pairs, spaced 0.8~1.5 cm, even petioles 4~20 cm long, petioles densely white woolly, sometimes villous; Leaflets opposite or alternate, sessile, lobules of film is round or long lanceolate, 1~5 cm long, 0.5~0.8 cm wide, apex obtuse, dilute acute, base cuneate, broadly cuneate or deflection of circular, margin obtuse serrate, dilute acute, the dark green, thin white cotton wool or fall off a few glabrous, densely covered with white or gray cotton wool, under the pulse do not show or slightly, 1 or 2 cauline leaves, 3~5 palmate lobules; Basal leaves are stipules membranous, brown, outer covered with white villous hairs, cauline leaves stipules grasslike, green, ovate or broadly ovate, margin often incised teeth, sparse entire, underside densely covered with white woolly hairs.

  Potentilla discolor Bge.:growing plants Inflorescences several or more flowers, diffuse, pedicels 1~2.5 cm long, outer woolly; Flowers are 1~2 cm in diameter; Sepals triangular-ovate, sepals lanceolate, shorter than sepals. Outer covered with whitish woolly; Petals yellow, obovate, apex slightly concave or obtuse, longer than sepals; Style subterminal, base papillary inflated, stigma slightly enlarged. Achene subreniform, ca. 1 mm wide, smooth. Its flower period is from May to September.

  Potentilla discolor Bge.:fresh herb with root Ecological environment: The plant grows in wastelands, valleys, gullies, hillsides, meadows, and sparse forests with an altitude of 100~1,850 meters above sea level. The plant prefers slightly acidic to neutral, good drainage sandy loam, suitable for wet soil, also resistant to drought and barren. It is suitable for a mild dry climate. The plant mainly distributes in China, and North-East Asia; In China, it mainly distributes in the middle and lower reaches area of the Yangtze River, the Zhujiang river area, the North China plain area, and Taiwan.

 Growth characteristics: The plant grows in hilly mountains, roadside, and border ridges. It prefers a mild and humid climate. It is better to cultivate in loose and fertile sandy loam soil.

 Diverse-color Cinquefoil:herb photo Characters of herbs: The dry whole herb with root is fusiform or conical, sometimes divergent, about 5~8 cm long, the surface is dark brown-red, twisted and wrinkled, cork without peeling mark. Stems are absent. Leaves grow from the root, singular pinnate compound leaves, leaflets grow in pairs, long elliptic, with a short stalk, the top 1 leaf is larger, gradually smaller downward, wrinkled, more fold from the midrib to inward, the upper surface is dark green, the lower surface is gray-white, densely hairy, the edge has coarsely serrate. The root head part and petiole are covered with white hair. The quality is slightly crisp, fragile. It is slightly smelly, taste puckery. It is better to have no flower stem, gray and white, and no impurity.

 Pharmacological actions: ①.inhibitory effect on Shigella dysenteriae and Shigella flexneri. ②.The herb has no anti-amoeba effect in vitro. ③.The components fumaric acid, gallic acid, protocatechuic acid, quercetin, ningerin, kaempferol, and m-benzoic acid have antibacterial effects on Shigella dysenteriae and Shigella flexneri, among them gallic acid and quercetin are the most active.

 Medicinal efficacy: Clear heat and detoxification, relieve dysentery, hemostasis(stanch bleeding), cool blood and hemostasis, detumescence(reduce swelling). It is indicated for diarrhea and dysentery of heat dampness, dysentery, malaria, pulmonary heat and cough asthma, abscess of the lung, hemoptysis, spitting blood, blood heat and epistaxis, hemafecia(bleeding in stool), metrorrhagia and metrostaxis, carbuncle swelling and sore poison, scrofula, tuberculosis, etc.

 Administration of Herba Potentillae Discoloris(Fān Bái Cǎo): 
Reference: Administration Guide of Herba Potentillae Discoloris(Fān Bái Cǎo)
TCM Books: Internally:9~15 grams, cautiously use for pregnant woman(CP), Internally:water decoction, 3~5 qian(about 9~15 grams), fresh herb 1~2 liang(about 30~60 grams), or infusing in wine. Externally:mashed and apply stick(DCTM), Internally:water decoction, 10~15 grams, or infusing in wine and take. Externally:proper amount, fumigation wash with water decoction, or mashed fresh herb and apply stick(CHMM).

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  • 1.Introduction of Fan Bai Cao:Diverse-color Cinquefoil or Herba Potentillae Discoloris.
  • 2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).

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