Polygonum hydropiper

Polygonum hydropiper

(records of Sichuan Traditional Chinese Medicine)

[synonym] Polygonum hydropiper (name of seed plant), Polygonum hydropiper and Polygonum hydropiper (records of Sichuan Traditional Chinese Medicine).

[source] it is the whole grass and root of Polygonum capitatum.

[plant morphology] Polygonum capitatum

Annual erect herb, 30-65 cm high. Stem smooth, glabrous. Leaves alternate, lanceolate, 8-12 cm long, apex acuminate, entire, base cuneate, nearly sessile, green above, sparsely hairy below, light green below, dense spiny hairs on midrib and lateral vein; Stipule sheath tubular, membranous, veined, taped, apex elongated into cilia, equal to or slightly longer than stipule sheath. Terminal or axillary raceme, 6.5-14 cm long, bracts membranous, marginal There are 1-2 florets in each bract; pedicel usually does not extend out of bract; flowers are small, pink or nearly white, perianth 5-lobed, lobes oval; stamens 8, filaments linear, anthers elliptic; ovary superior, elliptic, style 3, stigma capitate. Achene triangular, about 2 mm long, dark brown and glossy, enclosed in persistent perianth. The flowering period is September.

Born in the ditch, roadside tidal wetland. Distributed in Jiangsu, Anhui, Zhejiang, Guangdong, Taiwan, Sichuan and other places.

In addition, the plants of the same genus Rumex leaf grass (see Polygonum pseudolaevis) and chrysalis grass (see chrysalis grass) are also used as Polygonum in Sichuan.

[collection] harvest during flowering.

[nature and taste] records of Sichuan Traditional Chinese medicine: "it is warm in nature, mild in taste, and non-toxic. "

[functions and indications] records of Sichuan Traditional Chinese medicine: "dispersing cold and promoting blood circulation. It can cure measles, wool fever, cold after falling, Yin cold and old cold. "

[usage and dosage] oral administration: decoct in water or wine, 2-5 yuan. External use: wash with boiling water.

[selection] 1. No measles: mash or rub the Polygonum hydropiper, roll it out, or fry it in water.

② Cure too hot big fever does not retreat: Polygonum outside roll chest or vest, and dip juice oral.

③ Long time treatment of malaria: Polygonum hydropiper a root, simmer wine service.

④ To cure woolly porridge: Polygonum hydropiper has four roots. If you add seven wild cigarette butts, two fish loach strings and seven horseshoe grass, you can take a cup of simmer wine when it is extremely hot. (Chongqing herbal medicine)