钝叶草，中药名。为禾本科植物钝叶草StenotaphrumhelferiMunroexHook.f.的全草。分布于广东、广西、云南等地。具有益气，催产之功效。常用于胃下垂，子宫脱垂，习惯性流产，难产。
Dun-ye-cao, name of Chinese Medicinal Material. Stenotaphrum helferi Munro ex Hook.f.) is the whole plant of the grass Stenotaphrum helferi Munro ex Hook.f. of the Poaceae family. It is distributed in Guangdong, Guangxi, Yunnan, and other places. It is known for its functions of invigorating Qi and inducing labor. It is commonly used for conditions such as gastric ptosis, uterine prolapse, habitual miscarriage, and difficult labor.

功效作用 功能
The efficacy and functions.

益气，催产。主治
Tonify qi, induce labor. Used to treat...

胃下垂，子宫脱垂，习惯性流产，难产。用法用量
Gastroptosis, uterine prolapse, habitual miscarriage, difficult labor. Dosage and administration.

内服：煎汤，15-30g。相关论述
Oral administration: Decoction, 15-30g. Relevant discussion.

《广西民族药简编》：“水煎冲龙衣（煅后研末）服，治滞产、胎盘滞留。”加工炮制 采收加工
"Guangxi Ethnic Medicine Compilation": "Decocted and taken orally, Longyi (calcined and ground into powder) is used to treat dystocia and retained placenta." Processing and preparation: collection and processing.

夏、秋季采收，晒干。植物学信息 植物种属
Harvest in summer and autumn, then sun-dry. Botanical information: plant species.

禾本科植物钝叶草。形态特征
The blunt-leaf grass is a plant of the Poaceae family. Its morphological characteristics include...

多年生草本。秆下部匍匐，于节处生根，向上抽出高10-40厘米的直立花枝。叶鞘松弛，通常长于节间，压扁而于背部具脊，常仅包节间下部，平滑无毛；叶舌极短，顶端有白色短纤毛；叶片带状，长5-17厘米，宽5-11毫米，顶端微钝，具短尖头，基部截平或近圆形，两面无毛，边缘粗糙。花序主轴扁平呈叶状，具翼，长10-15厘米，宽3-5毫米，边缘微粗糙；穗状花序嵌生于主轴的凹穴内，长7-18毫米，穗轴三棱形，边缘粗糙，顶端延伸于顶生小穗之上而成一小尖头；小穗互生，卵状披针形，长4-4.5毫米，含2小花而仅第二小花结实；颖先端尖，脉间有小横脉，第一颖广卵形，长为小穗的1/2-2/3，具（3-）5-7脉，第二颖约与小穗等长，具9-11脉；第一小花雄性；第一外稃与小穗等长，具7脉，内稃厚膜质，略短于外稃，具2脉；第2外稃革质，有被微毛的小尖头，边缘包卷内稃。花果期秋季。分布区域
Perennial herb. The lower part of the stem is creeping, rooting at the nodes, and producing erect flowering branches 10-40 centimeters high. The leaf sheath is loose, usually longer than the internode, flattened and ridged on the back, often only covering the lower part of the internode, smooth and hairless; the leaf blade is linear, 5-17 centimeters long, 5-11 millimeters wide, with a slightly blunt apex, short pointed tip, truncate or nearly round base, hairless on both sides, and rough edges. The inflorescence axis is flattened and leaf-like, winged, 10-15 centimeters long, 3-5 millimeters wide, with slightly rough edges; the spike-like inflorescence is embedded in the depression of the main axis, 7-18 millimeters long, with a triangular spike axis, rough edges, extending above the top spike to form a small pointed tip; the spikelets are alternate, ovate-lanceolate, 4-4.5 millimeters long, containing 2 florets with only the second one being fertile; the apex of the glume is pointed, with small cross veins, the first glume broadly ovate, 1/2-2/3 the length of the spikelet, with (3-)5-7 veins, the second glume is approximately equal in length to the spikelet, with 9-11 veins; the first floret is male; the first lemma is equal in length to the spikelet, with 7 veins, the lemma is membranous, slightly shorter than the first lemma, with 2 veins; the second lemma is leathery, with a slightly hairy small tip, and the margin encloses the palea. The flowering and fruiting period is in autumn. Distribution area.

分布于广东、广西、云南等地。生长环境
Distributed in Guangdong, Guangxi, Yunnan and other regions. Growing environment.

生于海拔约1100m以下的湿润草地、林缘或疏林中。
Born in moist grasslands, forest edges, or sparse forests at an altitude of about 1100 meters or below.