Oriental thief (Chinese medicine name)

The Chinese medicine name of the East Thief is Equisetum hyemale L.

Equisetum hyemale L. (scientific name: Equisetum hyemale L.), with other names: Qianfeng Grass, Filial Grass, Bidou Grass, Bicao Grass, Sambucus williamsii, and Ma Ginseng. Perennial evergreen herb, 3-1 cm tall.

Rhizomes are short, dark brown, underground, with dark brown roots on the nodes. Stems of Hypericum japonicum are erect, single or branched only at the base, 6-8 mm in diameter, hollow and jointed, with gray-green or yellow-green surface, -3 longitudinal ridges and gullies, and rough.

It likes to grow in shady and humid places under forests on hillsides, and it is easy to grow in riverbank wetlands, streams or weeds. Location: Northeast China, North China, Inner Mongolia and Yangtze River provinces.

Medicinal herb is the whole plant of Equisetum equisetum, which is sweet, bitter and flat in nature. It belongs to the lung and liver meridian, and has the effects of dispersing wind and heat, improving eyesight and stopping bleeding. The equisetum is harvested in summer, impurities are removed, stored in the sun or in the shade, and processed by medicine: dead stems and residual roots are removed, sprayed with clear water, slightly moistened, cut into sections and dried. Cut off the section. Large plants.

The rhizome is transverse or erect, dark brown, and the nodes and roots have long yellow-brown hair. The aboveground branches are perennial. Branch one type. It is 1 meter or more in height, 5-9 mm in middle diameter, 5-8 cm in internode length, green, unbranched or with a few upright lateral branches at straight base.

There are 16-22 ridges on the overground branches, and the backs of the ridges are curved or nearly square, with no obvious nodules or 2 rows of nodules; Sheath tube .7-1. cm, dark brown or with a circle at the top and base or only a circle at the top; 16-22 sheath teeth, lanceolate, small, .3-.4 cm long.