羊角草，中药名。为玄参科植物狭叶母草Linderniaangustifolia(Benth.)Wettst.的全草。分布于华东、华南各地。具有清热利湿，解毒消肿之功效。常用于湿热黄疸，泄泻，痢疾，咽喉肿痛，跌打损伤。
Yang-jiao-cao, name of Chinese Medicinal Material. Lindernia angustifolia (Benth.) Wettst.) is the whole plant of the Xuan Shen family plant. It is distributed in various regions of East China and South China. It has the functions of clearing heat, promoting diuresis, detoxification, and reducing swelling. It is commonly used for damp-heat jaundice, diarrhea, dysentery, sore throat, and injuries from falls or blows.

功效作用 功能
Efficacy, function.

清热利湿，解毒消肿。主治
Clearing heat, promoting diuresis, detoxifying, and reducing swelling. Mainly used for治疗。

湿热黄疸，泄泻，痢疾，咽喉肿痛，跌打损伤。用法用量
Damp-heat jaundice, diarrhea, dysentery, sore throat, and bruises. Dosage and administration.

内服：煎汤，15-30g；或研末。外用：鲜品适量，捣敷。相关论述
Internal use: Decoction, 15-30g; or powdered. External use: Fresh herbs in appropriate amount, mashed and applied topically. Related discussions.

1、《贵州草药》：“清热利湿，去瘀生新。治跌打损伤，骨折，痢疾，黄疸。”2、《全国中草药汇编》：“清热解毒，化瘀消肿。治急性胃肠炎，痢疾，肝炎，咽炎，跌打损伤。”临床应用 相关配伍

1. "Guizhou Herbal Medicine": "Clears heat, eliminates dampness, removes stasis and generates new tissues. Used for treating bruises, fractures, dysentery, and jaundice."2. "National Compilation of Chinese Herbal Medicines": "Clears heat, detoxifies, resolves stasis, and reduces swelling. Used for treating acute gastroenteritis, dysentery, hepatitis, pharyngitis, and injuries from falls." Clinical applications and relevant compatibility.

1、治黄疸病：羊角桃、大马蹄草各30g。煨水服。（《贵州草药》）2、治痢疾：羊角桃30g。铁打碗15g。煨水服。（《贵州草药》）加工炮制 采收加工

1. Treatment for jaundice: 30g of Chinese sumac and 30g of Houttuynia cordata. Decoct in water and take orally. (From "Herbal Medicine of Guizhou")2. Treatment for dysentery: 30g of Chinese sumac and 15g of iron bowl herb. Decoct in water and take orally. (From "Herbal Medicine of Guizhou") Processing and preparation: Harvest and process.

夏、秋季采收，鲜用或切段晒干。植物学信息 植物种属
Harvest in summer or autumn, use fresh or cut into sections and sun-dry. Botanical information: Plant species.

玄参科母草属狭叶母草。形态特征
Scrophularia is a genus in the family Scrophulariaceae, and Scrophularia lanceolata is a species within this genus. It has narrow leaves.

一年生草本，少亚直立而几无分枝或更常极多的分枝，下部弯曲上升，长达40厘米以上；根须状而多；茎枝有条纹而无毛。叶几无柄；叶片条状披针形至披针形或条形，长1-4厘米，宽2-8毫米，顶端渐尖而圆钝，基部楔形成极短的狭翅，全缘或有少数不整齐的细圆齿，脉自基部发出3-5条，中脉变宽，两侧的1-2条细，但显然直走基部，两面无毛。花单生于叶腋，有长梗，梗在果时伸长达35毫米，无毛，有条纹；萼齿5，仅基部联合，狭披针形，长约2.5毫米，果时长达4毫米，顶端圆钝或急尖，无毛；花冠紫色、蓝紫色或白色，长约6.5毫米，上唇2裂，卵形，圆头，下唇开展，3裂，仅略长于上唇；雄蕊4，全育，前面2枚花丝的附属物丝状；花柱宿存，形成细嚎。蒴果条形，长达14毫米，比宿萼长约2倍；种子矩圆形，浅褐色，有蜂窝状孔纹。花期5-10月，果期7-11月。分布区域
It is an annual herbaceous plant, with few erect or mostly highly branched stems, bending and rising at the lower part, reaching over 40 centimeters in length; root-like and numerous; stems are striped and hairless. Leaves are nearly sessile; leaf blades are linear-lanceolate to lanceolate or linear, 1-4 centimeters long, 2-8 millimeters wide, gradually pointed and obtuse at the tip, forming extremely short narrow wings at the base, with entire margins or a few irregular fine rounded teeth, with 3-5 veins originating from the base, the midvein widening, the 1-2 veins on each side thin but clearly running straight to the base, and both sides hairless. Flowers solitary in leaf axils, with long pedicels, extending up to 35 millimeters in fruit, hairless, and striped; calyx with 5 teeth, only united at the base, narrowly lanceolate, about 2.5 millimeters long, reaching 4 millimeters in fruit, rounded or acute at the tip, hairless; corolla purple, blue-purple, or white, about 6.5 millimeters long, upper lip 2-lobed, ovate, rounded, lower lip spreading, 3-lobed, slightly longer than the upper lip; stamens 4, all fertile, with filiform appendages on the anterior two filaments; style persistent, forming a slender beak. Capsule elongated, up to 14 millimeters long, about twice as long as the persistent calyx; seeds rectangular-round, light brown, with honeycomb-like pores. Flowering period from May to October, fruiting period from July to November. Distribution area.

分布于华东、华南各地。生长环境
Distributed in various regions of East China and South China. Growing environment.

生于水田、河流旁的低湿处。
Born in low and damp areas near paddy fields and rivers.