茅草叶，中药名。为禾本科白茅属植物白茅Imperatacylindrica（L.）Beauv.的叶。植物白茅，分布于东北、华北、华东、中南、西南及陕西、甘肃等地。具有祛风除湿之功效。主治风湿痹痛，皮肤风疹。
Mao-cao-ye, name of Chinese Medicinal Material. Mao grass leaf) refers to the leaves of Imperata cylindrica (L.) Beauv., a plant belonging to the Poaceae family. The plant is distributed in Northeast China, North China, East China, Central and South China, Southwest China, Shaanxi, Gansu, and other regions. It is known for its effectiveness in dispelling wind and dampness. It is mainly used to treat rheumatic arthralgia and skin rashes caused by wind-heat.

功效作用 功能
Efficacy and Functions

祛风除湿。主治
Dispelling wind and eliminating dampness. Mainly used for治疗。

风湿痹痛，皮肤风疹。用法用量
Wind-damp arthralgia, skin rash due to wind-heat. Dosage and administration.

内服：煎汤，15-30g。外用：适量，煎水洗。相关论述
Internal use: Decoction, 15-30g. External use: Appropriate amount, decoct with water for washing. Related discussion.

《重庆中草药》：“通经络，配合风湿筋骨药用。”“治妇女产后风湿痛：老茅草叶、石菖蒲、陈艾。水煎外洗。”“治发风丹：茅草叶、南木叶、糠壳（炒）各一两。以水煎服。”临床应用 相关配伍
"Chongqing Traditional Chinese Medicine": "Promotes meridian circulation, used in combination with wind-damp dispelling herbs for treating rheumatic conditions." "Treatment for postpartum rheumatic pain in women: Old grass leaves, Acorus tatarinowii, Artemisiae argyi. Decoction for external washing." "Treatment for wind-heat rash: Old grass leaves, Phoebe zhennan leaves, rice husk (fried) each one or two liang. Decoction for oral administration." Clinical application and related compatibility.

1、治妇女产后风湿痛，老茅草叶、石菖蒲、陈艾各适量。煎水外洗。（《重庆草药》）2、治发风丹，茅草叶、南木叶、糠壳（炒）各30g。以水煎服。（《重庆草药》）加工炮制 采收加工

1. To treat postpartum rheumatic pain in women, take appropriate amounts of old maocao leaves, acorus tatarinowii rhizome, and artemisia argyi. Decoct them in water for external washing. (From "Chongqing Herbal Medicine")2. To treat wind-heat rash, take 30g each of maocao leaves, nanmu leaves, and fried bran. Decoct them in water for oral administration. (From "Chongqing Herbal Medicine") Processing and preparation: Harvest and process.

全年可采。植物学信息 植物种属
Can be harvested all year round. Botanical information about plant species.

禾本科白茅属植物白茅。形态特征
The plant belongs to the Poaceae family, and its scientific name is Imperata cylindrica.

白茅，多年生草本。高20-100cm。根茎白色，匍匐横走，密被鳞片。秆丛生，直立，圆柱形，光滑无毛，基部被多数老叶及残留的叶鞘。叶线形或线状披针形；根出叶长几与植株相等；茎生叶较短，宽3-8mm，叶鞘褐色，无毛，或上部及边缘和鞘口具纤毛，具短叶舌。圆锥花序紧缩呈穗状，顶生，圆筒状，长5-20cm，宽1-2.5cm；小穗披针形或长圆形，成对排列在花序轴上，其中一小穗具较长的梗，另一小穗的梗较短；花两性，每小穗具1花，基部被白色丝状柔毛；两颖相等或第1颖稍短而狭，具3-4脉，第2颖较宽，具4-6脉；稃膜质，无毛，第1外稃卵状长圆形，内稃短，第2外稃披针形，与内稃等长；雄蕊2，花药黄色，长约3mm；雌蕊1，具较长的花柱，柱头羽毛状。颖果椭圆形，暗褐色，成熟的果序被白色长柔毛。花期5-6月，果期6-7月。分布区域
White grass, a perennial herb. It grows 20-100cm tall. The rhizome is white, creeping horizontally, densely covered with scales. The stems grow in clusters, erect, cylindrical, smooth and hairless, with many old leaves and residual leaf sheaths at the base. The leaves are linear or lanceolate; the basal leaves are almost as long as the plant; the stem leaves are shorter, 3-8mm wide, brown leaf sheaths, hairless, or with some fibers on the upper part, edges, and sheath mouth, with short ligules. The conical inflorescence is compact and spike-like, terminal, cylindrical, 5-20cm long, 1-2.5cm wide; the spikelets are lanceolate or oblong, arranged in pairs on the inflorescence axis, with one spikelet having a longer stalk than the other; the flowers are bisexual, each spikelet has 1 flower, covered with white silky hairs at the base; the two glumes are equal or the first one slightly shorter and narrower, with 3-4 veins, the second glume wider, with 4-6 veins; the glumes are membranous, hairless, the first outer glume is ovate-oblong, the inner glume is short, the second outer glume is lanceolate, equal in length to the inner glume; there are 2 stamens, yellow anthers, about 3mm long; 1 pistil, with a long style, feathery stigma. The achene is elliptical, dark brown, and the mature fruiting spike is covered with long white hairs. It flowers from May to June and fruits from June to July. Distribution area.

分布于东北、华北、华东、中南、西南及陕西、甘肃等地。生长环境
Distributed in Northeast China, North China, East China, Central South China, Southwest China, as well as Shaanxi, Gansu, and other regions. Growing environment.

生于路旁向阳干草地或山坡上。
Born on the roadside, in sunny grasslands or on hillsides.