Water centipede (plant name and factual research)
Latin scientific name: Eucheuma brevifolia.
Different names of Tridactylum japonicum (herb records collected in Lingnan), Cynanchum multiflorum Thunb (flora of Guangzhou), Cynanchum multiflorum Thunb (folk herb of Fujian), Lobelia cordata Thunb (flora of medicinal plants in Guangxi), cold water weed (common folk herb collection), Cruciferae (folk herb of Jiangxi), Cordyceps sinensis, Eupatorium odoratum, Buffalo grass and so on. Sweat grass (a pictorial illustration of Chinese medicinal plants), centipede, dark plum, nutless Cyperus rotundus, Dendrocalamus latiflorus (Quanzhou materia medica), dwarf tea, LYSIMACHIA christinae (Hunan materia medica), Taxilli, Bupleurum, triangle grass, Myrica rubra, fenugreek (Mindong materia medica), Hedyotis diffusa and Hedyotis diffusa (Guangzhou). Cold and hot Hedyotis diffusa, fenugreek, Phyllostachys pubescens, Myrica rubra, Sophora alopecuroides, Phyllostachys pubescens (a common herb in Zhejiang), Sparganium Sparganum, Hedyotis diffusa (a common Chinese herb in Shanghai), Polygonum hydropiper (a Chinese herb in Shaanxi) and Shuituxiang (a Chinese herb in Fujian).
The source is the whole grass or root of centipede in Cyperaceae.
Plant morphological characteristics Water centipede, perennial herb, clustered. The whole plant is smooth and hairless, and it smells like calamus when fresh. The roots are weak, and the runner lies flat on the ground; It looks like a centipede, with many nodes, many fibrous roots under each node, and a small seedling on each node. The stems are scattered in rows, slender, 7 ~ 20 cm high, oblate and smooth. The leaves are narrow and linear, 2 ~ 4 mm wide, with sheaths at the base of the stem, and the two sheaths at the bottom are dry films. In summer, a spherical, yellow-green flower head emerges from the top of the stem, with a large number of dense spikelets and three leaflike bracts folded down, so it is also called "triangle grass", with membranous scales and wingless keel-like protrusions on its back. Nuts are ovoid and tiny.
Chemical constituents contain volatile oil. Vitexin and other flavonoids.
The above information comes from: /view/ 102930.htm? Fr = Aladdin #2