Eight mowing grass, has anyone heard of it? What is its scientific name and function?

Eight mowing grass may be the name of a local plant that saves grass. . .

Japanese equisetum (Latin name: equisetum. ), also known as Euphorbia, Euphorbia, Euphorbia bidentata, Euphorbia bidentata, Elderberry, Equisetum, etc. , is the whole grass of equisetum. Perennial evergreen herb, 30- 100 cm high. Rhizomes are short, dark brown and underground, with dark brown roots on nodes. The stem of Hypericum japonicum is erect, single or branched only at the base, 6-8 mm in diameter, hollow and jointed, with gray-green or yellow-green surface, 0-30 longitudinal ridges and grooves, and rough. Harvesting in summer, removing impurities, drying in the sun or in the shade, and slicing. Like to be born in a cool and humid place under the hillside forest, easy to be born in river bank wetlands, streams or weeds.