水韩信草，中药名。为玄参科植物光叶蝴蝶草ToreniaglabraOsbeck的全草。分布于浙江、江西、福建、湖北、湖南、广东、广西、四川、贵州、云南、西藏等地。具有清热利湿，解毒，散瘀之功效。用于热咳，黄疸，泻痢，血淋，疔毒，蛇伤，跌打损伤。
Shui-han-xin-cao, name of Chinese Medicinal Material. s the whole plant of ToreniaglabraOsbeck, a plant of the Xuan Shen family. It is distributed in Zhejiang, Jiangxi, Fujian, Hubei, Hunan, Guangdong, Guangxi, Sichuan, Guizhou, Yunnan, Tibet, and other places. It has the functions of clearing heat and dampness, detoxification, and promoting blood circulation to remove blood stasis. It is used for hot cough, jaundice, dysentery, hematuria, carbuncle toxicity, snake bites, and bruises.

功效作用 Efficacy and Functions

清热利湿，解毒，散瘀。
Clearing heat, promoting diuresis, detoxifying, and resolving stasis.

主治 Indications

用于热咳，黄疸，泻痢，血淋，疔毒，蛇伤，跌打损伤。
Used for hot cough, jaundice, diarrhea, dysentery, hematuria, carbuncle, snakebite, and bruises.

用法用量 Dosage and Administration

内服：煎汤，15-30g。外用：鲜品适量，捣敷。
Internal use: Decoction, 15-30g. External use: Fresh herbs in appropriate amount, mashed and applied topically.

相关论述 Relevant Discussion

《四川中药志》1982年版：“清热解毒，利湿，活血。用于疔疮肿毒，蛇伤，热咳，黄疸，血淋，跌打损伤。”
"Compendium of Sichuan Traditional Chinese Medicine" 1982 edition: "Clears heat, detoxifies, promotes diuresis, and activates blood circulation. Used for treating boils, abscesses, snake bites, hot cough, jaundice, hematuria, and bruises from falls or blows."

临床应用 Clinical Applications

1、治风湿咳嗽：水韩信草30g，兔耳风15g。水煎服。

1. Treatment for rheumatic cough: 30g of Water Hanxincao and 15g of Tu'erfeng. Decoction and take orally.

2、治黄疸：水韩信草60g，栀子12g。水煎服。
2. Treatment for jaundice: 60g of Water Hanxincao and 12g of Zhizi. Decoction and take orally.

3、治血淋：水韩信草30g，车前草30g。水煎服。
3. Treatment for hematuria: 30g of Water Hanxincao and 30g of Cheqiancao. Decoction and take orally.

4、治疔毒、蛇咬伤：水韩信草适量。捣敷患处。（1-4方出自《四川中药志》1982年）
4. Treatment for carbuncle and snake bites: appropriate amount of Water Hanxincao. Crush and apply to the affected area. (Prescriptions 1–4 are from "Sichuan Herbal Medicine Records", 1982 edition)

加工炮制 Processing and Preparation

采收加工：夏、秋季采收，鲜用或晒干。
Harvest in summer or autumn, use fresh or sun-dried.

植物学信息 Botanical Information

植物种属：玄参科植物光叶蝴蝶草。
The plant species is Torenia flava (or Calceolaria glabra), a member of the Scrophulariaceae family.

别名：水韩信草又名光蝴蝶草、光叶翼萼、光叶蓝猪草。
Synonyms: Also known as light butterfly grass, light leaf wing calyx, or light leaf blue pig grass.

形态特征 Morphological Characteristics

匍匐或多少直立草本，节上生根；分枝多，长而纤细。叶具长2-8毫米之柄；叶片三角状卵形、长卵形或卵圆形，长1.5-3.2厘米，宽1-2厘米，边缘具带短尖的圆锯齿；基部突然收缩，多少截形或宽楔形，无毛或疏被柔毛。花具长0.5-2厘米之梗，单朵腋生或顶生，抑或排列成伞形花序；萼具5枚宽略超过1毫米而多少下延之翅，长0.8-1.5厘米，果期长1.5-2厘米；萼齿2枚，长三角形，先端渐尖，果期开裂成5枚小尖齿；花冠长1.5-2.5厘米，其超出萼齿的部分长4-10毫米，紫红色或蓝紫色；前方一对花丝各具1枚长1-2毫米之线状附属物。花果期5月至次年1月。
Creeping or somewhat erect herbaceous plant with roots at nodes; many long, slender branches. Leaves have petioles 2–8 mm long; blade triangular-ovate, lanceolate, or ovate, 1.5–3.2 cm long, 1–2 cm wide, margins with short-pointed rounded teeth; base abruptly narrowed, truncate or broadly cuneate, glabrous or sparsely pubescent. Flowers on pedicels 0.5–2 cm long, solitary in axils or terminal, or arranged in umbel-like inflorescences. Calyx with 5 wings slightly over 1 mm wide and somewhat decurrent, 0.8–1.5 cm long, fruiting stage 1.5–2 cm; 2 calyx teeth, broadly triangular, acuminate, splitting into 5 small teeth in fruit. Corolla 1.5–2.5 cm long, projecting beyond calyx by 4–10 mm, purplish-red or bluish-purple; anterior pair of stamens each with a linear appendage 1–2 mm long. Flowering and fruiting from May to January of the following year.

生长环境 Growing Environment

生于山谷，路旁及潮湿草地上。
Born in valleys, along roadsides, and in damp grasslands.

分布区域 Distribution Area

分布于浙江、江西、福建、湖北、湖南、广东、广西、四川、贵州、云南、西藏等地。
Distributed in Zhejiang, Jiangxi, Fujian, Hubei, Hunan, Guangdong, Guangxi, Sichuan, Guizhou, Yunnan, Tibet, and other regions.