臂形草，中药名。为禾臂本科植物毛臂形草Brachiaria villosa（Lam.）A.Camus的全草。具有清热利尿，通便的功效。主治小便赤涩，大便秘结。
Bi-xing-cao, name of Chinese Medicinal Material. Brachiaria villosa) is the whole plant of Brachiaria villosa (Lam.) A.Camus, a plant of the Poaceae family. It has the effects of clearing heat, promoting diuresis, and relieving constipation. It is used to treat symptoms such as painful and difficult urination, as well as constipation.

功效作用 功能
The efficacy and functions.

清热利尿，通便。主治
Clearing heat, promoting diuresis, and relieving constipation. Mainly used for treating...

小便赤涩，大便秘结。用法用量
The urine is red and painful, and there is constipation. What is the dosage and usage?

内服：煎汤，15-30g；鲜品30-90g。相关论述
Internal administration: Decoction, 15-30g; Fresh product 30-90g. Relevant discussion.

《渐江药用植物志》：“清热利尿。治小便赤涩，大便秘结。”加工炮制 采收加工
"Jianjiang Compendium of Medicinal Plants": "Clears heat and promotes diuresis. Used to treat red and painful urination and constipation." Processing and preparation: Harvest and process.

夏、秋季采收，鲜用或晒干。植物学信息 植物种属
Harvest in summer or autumn, and use fresh or dry in the shade. Botanical information: Plant species.

禾臂本科植物毛臂形草。形态特征
The plant "Hebi" is a herbaceous plant of the family Poaceae. Its morphological characteristics include...

一年生草本。须根细弱。秆高10-40cm，基部倾斜，全株密被柔毛，尤以鞘口及边缘更密。叶舌短小，具长约1mm的纤毛；叶片卵状披针形，长1-4cm，宽3-10mm，两面密被柔毛，先端急尖，边缘呈波状皱折，基部钝圆。圆维花序由4-8枚总状花序组成；总状花序长1-3cm；主轴与穗轴密被柔毛；小穗卵形，先端尖，长约2.5mm，被短柔毛或几无毛，小穗柄长0.5-1mm，有毛；第1颖长为小穗之半，具3脉，背部对向穗轴，第2颖略短于小穗，具5脉；第1外稃等长于小穗，具5脉，内稃膜质，狭窄，第2外稃革质，稍包卷内稃，具横细皱纹；鳞被2，膜质，折叠；花柱基分离。谷粒椭圆形，长约2mm。花、果期7-10月。分布区域
A one-year herbaceous plant. The roots are thin and weak. The stem is 10-40cm tall, with the base inclined, and the whole plant is densely covered with soft hairs, especially the sheath and edges. The leaf ligule is small, with long, about 1mm, hairs; the leaf blade is ovate-lanceolate, 1-4cm long, 3-10mm wide, densely covered with soft hairs on both sides, acute at the apex, with wavy and folded margins, and rounded at the base. The round inflorescence consists of 4-8 spikelets; the spikelet is 1-3cm long; the main axis and rachis are densely covered with soft hairs; the spikelet is ovate, with a pointed apex, about 2.5mm long, sparsely hairy or nearly hairless, with a 0.5-1mm long hairy pedicel; the first glume is half the length of the spikelet, with 3 veins, opposite to the rachis, the second glume is slightly shorter than the spikelet, with 5 veins; the first lemma is as long as the spikelet, with 5 veins, the lemma is membranous, narrow, the second lemma is membranous, slightly enveloping the first lemma, with fine transverse wrinkles; the scales are membranous and folded; the stigma base is separated. The grain is elliptical, about 2mm long. The flowering and fruiting period is from July to October. Distribution area.

分布于陕西、甘肃、安徽、浙江、江西、福建、台湾、河南、湖北、湖南、广东、广西、四川、贵州、云南等地。生长环境
Distributed in Shaanxi, Gansu, Anhui, Zhejiang, Jiangxi, Fujian, Taiwan, Henan, Hubei, Hunan, Guangdong, Guangxi, Sichuan, Guizhou, Yunnan and other places. Growing environment

生于田野和山坡草地。
Born in fields and on hillside grasslands.