桃叶蓼，中药名。为蓼科蓼属植物桃叶蓼PolygonumpersicariaL.的全草。分布于我国的东北、华北、华东、西南及陕西、河南、湖北等地。具有发汗除湿，消食，杀虫之功效。用于风寒感冒，风寒湿痹，伤食泄泻及肠道寄生虫病。
Tao-ye-liao, name of Chinese Medicinal Material. Polygonum persicaria L.) is the whole plant of the plant Polygonum persicaria L. of the family Polygonaceae. It is distributed in the northeast, north China, east China, southwest China, Shaanxi, Henan, Hubei and other places in China. It has the functions of inducing sweat and eliminating dampness, promoting digestion, and killing insects. It is used for wind-cold type of common cold, wind-cold-dampness arthralgia, food stagnation with diarrhea, and intestinal parasitic diseases.

功效作用 功能
The efficacy and functions.

发汗除湿，消食，杀虫。主治
Inducing sweating to eliminate dampness, promoting digestion, and killing parasites. Used to treat...

用于风寒感冒，风寒湿痹，伤食泄泻及肠道寄生虫病。用法用量
Used for wind-cold type of common cold, wind-cold dampness arthralgia, food damage with diarrhea, and intestinal parasitic diseases. Dosage and administration.

6-12g。相关论述
6-12g. Relevant discussion

《长白山植物药志》：“主治消化不良，腹泻。”加工炮制 采收加工
"Compendium of Medicinal Plants in Changbai Mountain: Used to treat indigestion and diarrhea. Processing methods: collection and processing."

6-9月花期采收，晒干。植物学信息 植物种属
The flowers are harvested from June to September and then dried in the sun. Botanical information includes the plant species.

蓼科蓼属植物桃叶蓼。形态特征
The plant belongs to the Polygonaceae family and the Polygonum genus, and it is called Persicaria. Here are its morphological characteristics.

一年生草本。茎直立或上升，分枝或不分枝，疏生柔毛或近无毛，高40-80厘米。叶披针形或椭圆形，长4-15厘米，宽1-2.5厘米，顶端渐尖或急尖，基部狭楔形，两面疏生短硬伏毛，下面中脉上毛较密，上面近中部有时具黑褐色斑点，边缘具粗缘毛；叶柄长5-8毫米，被硬伏毛；托叶鞘筒状，膜质，长1-2厘米，疏生柔毛，顶端截形，缘毛长1-3毫米。总状花序呈穗状，顶生或腋生，较紧密，长2-6厘米，通常数个再集成圆锥状，花序梗具腺毛或无毛；苞片漏斗状，紫红色，具缘毛，每苞内含5-7花；花梗长2.5-3毫米，花被通常5深裂，紫红色，花被片长圆形，长2.5-3毫米，脉明显；雄蕊6-7,花柱2,偶3,中下部合生，瘦果近圆形或卵形，双凸镜状，稀具3棱，长2-2.5毫米，黑褐色，平滑，有光泽，包于宿存花被内。花期6-9月，果期7-10月。分布区域
It is an annual herb. The stem is erect or ascending, with or without branches, sparsely covered with soft hairs or nearly hairless, 40-80 centimeters tall. The leaves are lanceolate or elliptic, 4-15 centimeters long, 1-2.5 centimeters wide, gradually or sharply pointed at the apex, narrowly cuneate at the base, sparsely covered with short, stiff, appressed hairs on both surfaces, with denser hairs on the midvein on the lower surface, sometimes with dark brown spots near the middle on the upper surface, and with coarse marginal hairs; petiole is 5-8 millimeters long, covered with stiff, appressed hairs; stipules are tubular, membranous, 1-2 centimeters long, sparsely covered with soft hairs, truncate at the apex, with marginal hairs 1-3 millimeters long. The inflorescence is a spike-like raceme, terminal or axillary, relatively dense, 2-6 centimeters long, usually several aggregated into a conical shape, with glandular hairs or without hairs on the peduncle; bracts are funnel-shaped, purple-red, with marginal hairs, each bract containing 5-7 flowers; pedicels are 2.5-3 millimeters long, corolla usually 5-lobed, purple-red, corolla lobes are oblong, 2.5-3 millimeters long, with distinct veins; stamens 6-7, pistils 2, occasionally 3, connate at the lower-middle part; capsule is nearly round or ovoid, biconvex, occasionally 3-angled, 2-2.5 millimeters long, black-brown, smooth, shiny, enclosed within the persistent corolla. Flowering period is from June to September, and fruiting period is from July to October. Distribution area

分布于我国的东北、华北、华东、西南及陕西、河南、湖北等地。生长环境
Distributed in northeastern, northern, eastern, southwestern China, as well as in Shaanxi, Henan, Hubei, and other regions. Growing environment.

生于河岸水湿地。
Born in the wetlands along the riverbank.