爬山豆根，中药名。为豆科植物三棱枝（艹秔）子梢Campylotropistrigonoclada（Franch.）Schindl.[LespedezatrigonocladaFranch.]的根。分布于四川、贵州、云南等地。具有清热利湿，活血解毒之功效。常用于感冒发热，湿热痢疾，黄疸，肠风下血，风湿痹痛，水肿；跌打损伤，乳痈。
Pa-shan-dou-gen, name of Chinese Medicinal Material. the root of the legume plant Campylotropis trigonoclada (Franch.) Schindl. [Lespedeza trigonoclada Franch.], is distributed in Sichuan, Guizhou, Yunnan, and other regions. It is known for its effects of clearing heat, eliminating dampness, promoting blood circulation, and detoxification. It is commonly used for conditions such as fever due to a cold, damp-heat diarrhea, jaundice, intestinal wind causing bleeding, rheumatic pain, and edema, as well as for injuries from falls and breast abscesses.

功效作用 Efficacy and Functions

清热利湿，活血解毒。
Clearing heat, promoting diuresis, activating blood circulation, and detoxifying.

主治 Indications

用于感冒发热，湿热痢疾，黄疸，肠风下血，风湿痹痛，水肿；跌打损伤，乳痈。
Used for common cold with fever, damp-heat dysentery, jaundice, intestinal wind with blood, rheumatic pain, and edema; also for bruises and mastitis.

用法用量 Dosage and Administration

内服：煎汤，15-30g。外用：适量，捣敷。
Internal use: Decoction, 15-30g. External use: Appropriate amount, pounded for application.

相关论述 Relevant Discussion

1、《贵州民间药物》：“性平，味涩微甘。解热、止血。治高热，赤痢，肠风下血。吹乳，跌打损伤，月家病。”“治赤痢：爬山豆根、红糖各五钱。同炒焦，煎水服。治肠风下血：爬山豆根一两，茜草三钱。煎甜酒水服。治跌打损伤：爬山豆根一两。捣烂，加童便少许，拌匀敷患处。”
2、《云南中草药》：“治风寒外感，皮肤病：大发表根五钱至一两。水煎服。治赤痢，肠炎、肾炎：大发表根五钱至一两。水煎服。治风湿性关节炎：大发表根一两。泡酒服。”

1. "Guizhou Folk Medicine": "It has a neutral nature, slightly astringent and sweet taste. It can clear heat and stop bleeding. It is used to treat high fever, dysentery, intestinal bleeding, mastitis, bruises, and gynecological diseases." "For treating dysentery: 5 grams each of Paris polyphylla var. yunnanensis root and brown sugar. Fry together until charred, decoct in water and take orally. For treating intestinal bleeding: 30 grams of Paris polyphylla var. yunnanensis root and 9 grams of madder root. Decoct in sweet wine and take orally. For treating bruises and injuries: 30 grams of Paris polyphylla var. yunnanensis root. Mash it, add a small amount of children's feces, mix well, and apply to the affected area."
2. "Yunnan Herbal Medicine": "For treating wind-cold exterior syndrome and skin diseases: 15-30 grams of Dahurian Angelica root. Decoct in water and take orally. For treating dysentery, enteritis, and nephritis: 15-30 grams of Dahurian Angelica root. Decoct in water and take orally. For treating rheumatoid arthritis: 30 grams of Dahurian Angelica root. Soak in liquor and take orally."

临床应用 Clinical Applications

1、治风热感冒：大发表15g，坝子花10g，银花藤30g。水煎服。
2、治腹泻，痢疾：大发表30g，火炭母30g，马齿苋30g。水煎服。（1-2方出自《四川中药志》1979年）

1. Treatment for wind-heat common cold: 15g of Dahua Biao, 10g of Bazihua, 30g of Yinhua Teng. Decoction for oral administration.
2. Treatment for diarrhea and dysentery: 30g of Dahua Biao, 30g of Huotanmu, 30g of Machixian. Decoction for oral administration. (Prescriptions 1-2 are from "Sichuan Chinese Medicine Records" in 1979)
3. Treatment for bloody dysentery: 15g of Pashan Dourougen, 15g of brown sugar. Fry together until charred, decoct and take orally.
4. Treatment for intestinal wind causing blood in stool: 30g of Pashan Dourougen, 9g of Qiancao. Decoction in sweet wine for oral administration. (Prescriptions 3-4 are from "Guizhou Folk Medicine")
5. Treatment for jaundice-type hepatitis: 30g of Dahua Biao, 30g of Huangdoucao, 30g of Wujiao, 30g of Cheqiancao. Decoction for oral administration. (From "Sichuan Chinese Medicine Records" in 1979)

加工炮制 Processing and Preparation

采收加工：秋季采挖根部，洗净，切片，晒干。
Harvesting and processing: In autumn, harvest the roots, wash them, slice them, and dry them in the sun.

植物学信息 Botanical Information

植物种属：豆科植物三棱枝（艹秔）子梢。
Species: The plant belongs to the legume family (Fabaceae), specifically Campylotropis trifida (commonly known as Sanlengzhi).

形态特征 Morphological Characteristics

三棱枝（艹秔）子梢又名三楞草、三棱梢爬山豆、小落花生、爬山豆、三角西花。小灌木，高60-120cm。小枝三棱形，无毛。托叶宿存，膜质，无毛，斜披针形；三出复叶，互生；叶柄有翅，长1.5-4.5cm，宽1-3mm；小叶坚纸质，长椭圆形至卵状椭圆形或长圆状披针形，先端圆形或微缺有细尖，基部近圆形，下面被白色长硬毛，侧面小叶长3-8.5cm，宽0.8-2.5cm，顶端小叶稍大。圆锥花序顶生或腋生，总花梗细长，有棱，长10-17cm，被短柔毛；花梗细长；苞片宿存，线状披针形，长5-10mm；花萼宽钟形，被黄色长硬毛，萼齿5，披针形，急尖，下面1个较长；花冠蝶形，黄色，长8-10mm，旗瓣卵圆形，较翼瓣稍短，龙骨瓣急尖，弯曲。荚果斜椭圆形，长约7mm，宽约4mm，被毛。花期8-9月，果期10-11月。
The herb is also known as Sanlengcao, Sanlengshaopashandou, Xiaoluohuasheng, Pashandou, and Sanjiaoxihua. It is a small shrub, 60-120cm tall. The young branches are triangular in cross-section and glabrous. Stipules are persistent, membranous, glabrous, and obliquely lanceolate. Leaves are trifoliate, alternate, with winged petioles 1.5–4.5cm long and 1–3mm wide. Leaflets are coriaceous, oblong to ovate-oblong or lanceolate, with rounded or slightly notched apex bearing a fine point, nearly round base, and white stiff hairs on the lower surface. Lateral leaflets are 3–8.5cm long and 0.8–2.5cm wide; terminal leaflet slightly larger. Inflorescences are terminal or axillary panicles with slender, ridged peduncles 10–17cm long, covered in short soft hairs. Flower stalks are slender. Bracts are persistent, linear-lanceolate, 5–10mm long. Calyx is broadly campanulate, covered in yellow stiff hairs, with five lanceolate acute teeth, the lowest one longer. Corolla is papilionaceous, yellow, 8–10mm long; standard petal is ovate, slightly shorter than wings; keel petals are acute and curved. Pod is obliquely elliptic, about 7mm long and 4mm wide, hairy. Flowering period is August–September; fruiting period is October–November.

分布区域 Distribution Area

分布于四川、贵州、云南。
Distributed in Sichuan, Guizhou, and Yunnan.

生长环境 Growing Environment

生于海拔300-2000m的山坡林下或草丛中。
Grows under forest cover or in grasslands on mountain slopes at altitudes of 300–2000 meters.