The efficacy and function of black asarum

There are many types of Chinese medicine. When we choose, we need to understand the medicine first. So do you know about the medicinal material black asarum? Let us introduce it below.

[Other names] Four tiles (Common Folk Herbs in Kunming), Four Heavenly Kings, Wild Asarum, Flat-headed Asarum, Four Great Vajras (Selected Chinese Herbs in Yunnan).

[Source] The whole herb and root of the Chrysopogon citratus, a plant of the Chrysopogon citratus family . The whole herb is harvested in summer and autumn. Roots, dug in autumn, washed and dried.

[Original form] Perennial herb, about 30 cm high. The rhizome runs horizontally, has many fibrous roots and has a special aroma. The stem is erect, unbranched, purple at the bottom, glabrous, with swollen nodes and two scaly leaflets on each node. There are four terminal leaves, which are large and arranged in a whorl; the leaf blades are elliptical, about 9 cm long and 5 cm wide, gradually pointed at the tip, broadly cuneate at the base, with serrated edges and obvious veins; the petiole is about 1 cm long. The spike inflorescence is terminal; the bracts are undivided; the flowers are small, yellow-green, and without perianth; the stamen connective has 3 lobes at the tip, extending into a linear shape, about 1 cm long. The drupe is obovate and green when hot. Flowering period is summer.

[Habitat distribution] It mostly grows in shady and moist forests and along ditches. Distributed in Sichuan, Yunnan, Guangxi and other places.

[Properties and flavors] ① "Commonly used folk herbs in Kunming": "slightly bitter, warm."

【Functions and indications】 Dispel wind and dampness, harmonize blood stasis and reduce swelling, and relieve pain. Treat colds, rheumatism, lymphadenitis, sores, bruises and fractures.

[Usage and Dosage] For oral use: decocted in water, 2 to 3 qian; or made into pills, soaked in wine. For external use: mash and apply.

[Additional prescription] ① Treat liver-wind headache: grind four pieces of tiles with Gastrodia elata and Prunella vulgaris into powder or make honey pills for oral administration. (Commonly used herbal medicines among the people of Kunming)

【Excerpt】 《*Dictionary》

The above is a detailed introduction to the effects and functions of black asarum. When choosing it, pay attention to the dosage to avoid causing harm to your body.