Polygonum multiflorum

Polygonum multiflorum

(classified herbal medicine)

[source] it is the whole grass or root of Polygonum viviparum or Polygonum campanulatum.

[plant morphology] 1. Polygonum viviparum, also known as Polygonum hydropiper.

Annual herb, 0.2 ~ 1 (~ 2) m high. Stem erect, stout, single or much branched, glabrous, nodes swollen. The leaves are alternate, oblong or lanceolate, and vary greatly in size, generally about 10 cm in length and 2 cm in width. The apex is acuminate, the base is cuneate, with dark spots on the top and glandular spots on the bottom. The main veins and margin are covered with thick bristles; the petiole is covered with thick bristles; the stipule sheath is tubular, membranous, transparent, with many veins, light brown, glabrous, upper part truncate, generally without cilia. Panicle consists of several spikes, terminal or axillary, pedicel usually glandular, densely flowered, often drooping; bract funnel-shaped, with several flowers inside; perianth pink or greenish white, usually 4-lobed, glandular, lobes veined, fruiting veins not protruding; style 2, separated from base. Achene ovate, flat, brownish black, glossy, enclosed in persistent perianth.

It is found in roadsides, ditches and river valley wetlands. It is distributed in most parts of the country.

② Polygonum campanum

Perennial herbs, 60-90 cm high. The fibrous roots are slightly reddish or purple. Stem prostrate or oblique, 2-branched, glabrous or pubescent, adventitious roots on nodes. Leaves alternate, petiole 6-12 mm long; leaf blade ovate elliptic to lanceolate, 7.5-15 cm long, 2.5-6 cm wide, apex acuminate or apically caudate, base short pointed or rounded, both sides slightly pubescent, grayish white, dark green above, or hairy below; Stipule embracing stem. Cyme, with extremely expanded branches, flowers small, sometimes pendulous, with short pedicels; bracts small, usually ovate, acute; perianth reddish or red, campanulate, 3-4 mm long, lobes nearly equal, oblong; stamen 8, pistil 1, ovary triangular. Achene, grayish white, apex extending beyond persistent perianth. The flowering period is July.

It grows on hills, plains and grassland. It is distributed in Yunnan, Sichuan and other places.

[collection] harvest in summer and autumn.

[nature and taste] 1. Sichuan Traditional Chinese medicine records: "there are small poisons. "

② Chongqing herbal medicine: "spicy. "

[functions and indications] 1. Classified herbal medicine: it can cure sore and swelling, and relieve heat and toxin. "

② "Sichuan Traditional Chinese medicine annals": "detumescence, stasis, blood breaking. Treatment of unknown swelling toxin, Yin gangrene, scrofula and moon disease. "

[usage and dosage] oral administration: Jiantang (long Decoction), 3-5 yuan. External use: tamping.

[should not] pregnant women and women should not use it during menstruation.