Diwu

Diwu

(Guizhou folk medicine)

[synonym] Lei Lei, Hei Lei, jinchuanzhu (Guizhou folk medicine), Wugong Sanqi (Zhejiang Tianmu yam Zhi).

[source] it is the rhizome of Anemone lindleyana (Ranunculaceae).

[plant morphology] anemone arborescens, also known as Eupatorium and Eupatorium.

Soft perennial herbs. Rhizome lying transversely or obliquely, fleshy, dark brown, with links, surrounded by membranous sheath scales at the top; fibrous root. The leaf blade is pentagonal, heart round, 3-cleft; the apical lobe is rhombic cuneate, 2.5-4.5 cm long, 2-3.5 cm wide, more 3-pointed, with blunt incisions and teeth at the apex; the lateral lobe is more 2-deeply cleft, the upper lobe is similar to the apical lobe, the basal lobe is smaller, obliquely cuneate, 2-pointed; the upper lobe is sometimes scattered with pale white spots along the leaf Veins sparsely white pilose, glabrous below. The stem is 15-20 cm long or longer, with one leaf-like involucre at the top and no stalk around the stem; the flower is drawn out from the center of the bract, with 1-3 flowers, pedicel 5-6 cm long or longer, sparsely white pilose; perianth is white, with light purple halo on the back, usually 5 pieces, sometimes 6-7 pieces, broadly ovate or oblong, 10-15 mm long; stamens are many, filaments are different in length; carpels are many, ovary surface is dense Stigma cap shaped, without style. Achenes ovate elliptic, covered with short white hairs. The flowering period is from April to May. The fruit period is from July to August.

Born in the shade and wet under the forest. It is distributed in Shaanxi, East China and southwest China.

[collection] harvest in spring and summer.

[nature and taste] Guizhou folk medicine: "warm in nature, pungent and slightly bitter in taste"

Functions and indications: dispel wind and dampness, help muscles and bones. Treatment of rheumatism, pain, injury.

Guizhou folk medicine: "detoxification, expelling wind and dampness. "

[usage and dosage] oral administration: decoct soup, 3-5 yuan; or soak in wine.

[prescription selection] ① treatment of rheumatism: one or two Diwu, half Jin of liquor, three yuan each time. Or Diwu three money, white dragon must two money, big blood vine, big wind vine each five money. Soak two Jin of wine, take a small cup each time. (Guizhou folk medicine)

② Heal, spread, help bones and muscles: fresh centipede Panax notoginseng root 2 to 32, slice, add sugar stew juice service. (records of yam planting in Tianmu, Zhejiang)