Citrus medica L or Citrus wilsonii Tanaka Fam Rutaceae


Medicinal Citron Xiangyuan

Citrus medica L. (Fam. Rutaceae) I. Branch with fruit; 2. Flower


finger citron, buddha hand

PART USED dried fruit

Fructus Citri Sarcodactylis is produced chiefly in the provinces of Guangdong, Fujian, Yunnan, and Sichuan. Collected in winter, the fruit is sliced, then dried in sunlight.


Pungent and bitter in flavor, warm in property, acts on the Liver, Spleen, Stomach, and Lung channels.


Regulates the Qi of the Liver and Stomach, resolves Phlegm.


For distension and pain in the chest and hypochondriac regions due to Stagnant Liver Qi, it is used with Rhizoma Cyperi (Xiang Fu) and Radix Curcumae (Yu Jin).

For bloated stomach, anorexia, belching, and vomiting due to Stagnant Qi in the Spleen and Stomach, it is used with Radix Aucklandiae (Mu Xiang) and Fructus Aurantii (Zhi Qiao).

For cough with copious sputum and chest pain, it is used with Retinervus Luffae Fructus (Si Gua Luo), Radix Curcumae (Yu Jin), and Folium Eri-obotryae (Pi Pa Ye).



None noted.

Citrus medica L. var. sarcodactylis ( Noot.) Swingle (Fam. Rutaceae)



Citrus Medica Sarcodactylis
Citrus medica L. var. sarcodactylis (Noot.) Swingle (Fam. Rutaceae)

pharmaceutical name dosage and administration

Pericarpium Citri Reticulatae

tangerine peel english name precautions

None noted.

part used dried pericarp of the ripe fruit

Pericarpium Citri Reticulatae is produced chiefly in the provinces of Guangdong, Fujian, Sichuan, Jiangsu, and Zhejiang. The ripe fruit is collected in autumn. The peel is dried in sunlight or at a low temperature, cut into shreds, and used unprepared.

flavor, property, and channel tropism

Pungent and bitter in flavor, warm in property, acts on the Spleen and Lung channels.


Regulates the flow of Qi, normalizes the function of the Spleen and Stomach, dries Dampness, and resolves Phlegm.

clinical use and major combinations

For Stagnant Spleen and Stomach Qi with distension and a sensation of fullness in the epigastrium with belching, nausea, anorexia, and vomiting, it is used with Fructus Aurantii (Zhi Qiao) and Radix Aucklandiae (Mu Xiang); with lassitude and tiredness, it is used with Radix Codonopsis (Dang Shen), Rhizoma Atractylodis Macrocephalae (Bai Zhu), and Radix Glycyrrhizae Uralensis (Gan Cao) in "The Marvelous Powder" (Yi Gong San).

For Spleen and Stomach Dampness with an oppressed feeling in the chest, abdominal distension, lassitude, loose stools, and thick greasy fur on the tongue, it is used with Rhizoma Atractylodis (Cang Zhu) and Cortex Magnoliae Officinalis (Hou Po) in "The Peptic Powder" (Ping Wei San).

For cough with profuse sputum due to accumulation of Phlegm in the Lung, it is used with Rhi-zoma Pinelliae (Ban Xia) and Sclerotium Poriae Cocos (Fu Ling) in "The Two Old Herbs Decoction" (Er Chen Tang).

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