Euphorbia pekinensis

[Chinese name]: Beijing

Class: root

Pekingee Euphorbia Root

[alias]: Dragon Tiger grass, general grass, nine lions.

[source]: it is the root of Euphorbia pekinensis Rupe.

[picking and processing]: digging in autumn and winter to remove dryness.

[nature and taste]: the root is long conical or cylindrical, slightly curved, often branched, 10-20cm long and 1.5-4cm in diameter. The surface is grayish brown or brown, with twisted longitudinal furrows and transverse long lenticels, the root head is expanded, and there are many round stem marks. The material is hard and the fracture surface is fibrous. The taste is bitter and astringent. It is cold in nature and bitter in taste; it is poisonous.

[plant morphology]: perennial herb with milk in the whole plant. Stem erect, white pubescent, upper branched. Leaves alternate, oblong lanceolate to lanceolate, 3-8 cm long, 5-13 mm wide, entire. Umbelliform cyme terminal, usually with 5 cymes, axillary only worker's stem, cyme terminal 1 cup-shaped cyme, its base whorled ovate or ovate lanceolate bracts 5, cup-shaped cyme involucre altar shaped, top 4-lobed, gland elliptic; male flowers many, stamen 1; female flowers 1, ovary spherical, 3-locular, style 3, top 2-lobed. The capsule is spherical with verrucous protuberance on the surface. The flowering period is from April to May and the fruiting period is from June to July.

[growing place]: on the hillside forest or roadside. It is mainly produced in Jiangsu Province.

[chemical composition]: it contains euphorbin, euphorbic acid, triterpenol, organic acid, tannin, resin gum, sugar, etc.

[function indications]: diarrhea and drinking. It is used for edema and fullness, chest and abdomen water accumulation, phlegm accumulation, Qi adverse cough and asthma, and adverse defecation.

Bitter, cold and poisonous. It belongs to the lung, spleen and kidney meridians.

[usage and dosage] 1.5-3g.

[note] it is forbidden for pregnant women; it should not be used with.

[storage] store in a dry place to prevent moths.