Arvense

Arvense

(Ben Jing)

[synonyms] big shepherd's purse (Erya), mixi, Daji, Maxin (Ben Jing), Ximu, rongmu, Maju (Wu Pu Ben Cao), Lao shepherd's purse (Guo Pu's annotation of Erya), yelan vegetable (salvaging materia medica), Huaye shepherd's purse, shuishepherd's purse (textual Research on the name of plants), Lao gucao (Chinese medicine Zhi), guazicao (Chinese medicine Zhi), Yangla can (Liaoning Economic flora), and supaijiang Patrinia villosa.

[source] it is the whole plant of the Cruciferae.

Plant morphology

Annual herbs, 20-40 cm high, all glabrous and smooth. Stem erect, cylindrical, branched, surface pink green. The leaves are elliptic, obovate or lanceolate, 2.5-5 cm long and 1-2 cm wide, apex pointed, base sagittate, margin with sparse shallow teeth or coarse teeth, two flour green, midrib raised on the back, lateral veins not obvious. Raceme axillary and terminal, 10-20 cm long: calyx 4-piece, ovate, 2-2.5 mm long, 1.5 mm wide, green, margin white membranous; petals 4-piece, crisscross, obovate, 3.5 mm long, 1 mm wide, apex obtuse, base gradually narrow, white; stamens 6,4-strong, anthers ovate, dorsal, 2-locular, longitudinal, filaments stout; pistils 1, ovary ovoid But flat, apex slightly concave, green, 2-locular. The short pod is flat, oval, 8-13 mm long and 6-10 mm wide, with broad wings. The apex is deeply split, yellowish when ripe, and splits downward along the central tip. Seeds small, ovoid and flat. The flowering period is from April to July. The fruit period is from May to August.

Born on hillside, grassland, roadside or field. It is distributed in most areas of China.

The seeds of this plant are also used for medicine. Please refer to the special section for details.

[collection] the fruits were harvested and dried in the sun during May to June.

[medicinal material] the dried whole grass with fruit has cylindrical stem, grayish yellow surface, crisp quality, easy to break, and white loose pith in the center. Most of the leaves are broken. It has racemose inflorescence at the top, oblate and winged fruit.

Produced in Jiangsu, Zhejiang, Hunan and other places.

In some areas, this product is used as Patrinia sauce, see "Patrinia sauce".

[chemical constituents] the whole herb contains black mustard glucoside, which can produce mustard oil after enzyme action.

[pharmacological action] black mustard glucoside itself has no irritation, once hydrolyzed into mustard oil, it has strong irritation and bactericidal effect. It can also be used in gout to increase uric acid excretion.

Sweet and smooth.

① "Gangmu": "Gan, Ping, non-toxic. "

② Fujian Chinese herbal medicine: "slightly bitter, flat. "

[function indications] for nephritis and endometritis.

"Compendium": "harmonizing, benefiting qi, benefiting liver and improving eyesight. "

[usage and dosage] oral administration: decoction, 0.5-1 Liang.

[selected formula] ① for nephritis: one to two pairs of fresh whole herbs of xishen. Take it in water. (Fujian Chinese herbal medicine)

② Treatment of postpartum endometritis: five coins of the whole plant of xishengan. Fried in water, mixed with brown sugar. (Fujian Chinese herbal medicine)

Chinese PinYin : Xi Shen