蛇根木，中药名。为夹竹桃科萝芙木属植物蛇根木Rauvolfiaserpentina（L.）Benth.exKurz.的根和茎叶。植物蛇根木，我国云南南部有野生，广东、海南、广西等地有栽培。具有降血压之功效。主治高血压。
She-gen-mu, name of Chinese Medicinal Material. Rauvolfia serpentina) refers to the roots and stems of the plant Rauvolfia serpentina (L.) Benth. ex Kurz, which belongs to the Apocynaceae family. This plant is native to the southern part of Yunnan Province in China and is cultivated in Guangdong, Hainan, Guangxi, and other regions. It is known for its antihypertensive effects and is commonly used to treat hypertension.

功效作用 Efficacy and Functions

降血压。
Lower blood pressure.

主治 Indications

高血压。
Hypertension.

用法用量 Dosage and Administration

内服：煎汤，9-15g。
Internal administration: Decoction, 9-15g.

药理作用 Pharmacological Effects

1、降压作用。

1. Hypotensive effect.

2、抗心律失常作用。
2. Antiarrhythmic effect.

3、ɑ2肾上腺素受体阻断作用。
3. α2-adrenergic receptor blocking effect.

4、镇静作用。
4. Sedative effect.

相关论述 Relevant Discussion

《全国中草药汇编》：“降压。主治高血压。民间用作退热，抗癫，虫蛇咬伤药用。”
"National Compilation of Chinese Herbal Medicine": "Hypotensive. Used to treat hypertension. Folk applications include reducing fever, anti-convulsant, and treatment for insect or snake bites."

临床应用 Clinical Application

治疗高血压。
Treatment for hypertension.

相关配伍 Relevant Compatibility

1、治感冒头痛，蛇根木、土茯苓、土甘草各30-45g，水煎服。（《新编中草药图谱及经典配方》）

1. To treat headache caused by a cold, take 30-45g of Snakegourd Root, Poria Cocos, and Licorice Root, decocted in water and taken orally. (From "New Compilation of Chinese Medicinal Herbs and Classic Formulas")

2、治肝阳上亢头痛，蛇根木、野菊花各15-30g，水煎服。（《新编中草药图谱及经典配方》）
2. To treat headache due to hyperactivity of liver yang, take 15-30g of Snakegourd Root and Wild Chrysanthemum, decocted in water and taken orally. (From "New Compilation of Chinese Medicinal Herbs and Classic Formulas")

加工炮制 Processing and Preparation

采收加工：全年均可采，洗净，晒干。
Harvest and process: Can be harvested throughout the year, washed, and dried in the sun.

植物学信息 Botanical Information

植物种属：夹竹桃科萝芙木属植物蛇根木。
Plant species: Rauvolfia verticillata, a plant of the Apocynaceae family.

形态特征 Morphological Characteristics

灌木，高50-60cm。除花冠筒内上部被长柔毛外，其余皆无毛；茎具纵纹，被稀疏皮孔，节间长1-4cm。叶集生于枝的上部，对生，或3叶、4叶轮生，稀为互生；叶柄长1-1.5cm；叶片椭圆状披针形或倒卵形，长7-17cm，宽2-5.5cm，先端短渐尖或急尖，基部狭楔形或渐尖；侧脉10-12对，弧形上升至叶缘前网结。伞形或伞房状的聚伞花序；总花梗、花梗、花萼及花冠筒均红色；花冠高脚碟状；花冠筒中部膨大，长约1cm，裂片白色；雄蕊着生于花冠筒中部，仅在雄蕊着生处之上被长柔毛；花盘环状；子房具2枚心皮，花柱圆筒状，柱头棒状。核果成对，红色，近球形，合生至中部。花期第1次2-5月，第2次6-10月；果期第1次5-8月，第2次10月至翌年春季。
Shrub, 50-60cm tall. Except for the upper part of the corolla tube which is covered with long soft hairs, the rest is hairless; stem with longitudinal stripes, sparsely covered with lenticels, internodes 1-4cm long. Leaves clustered at the upper part of the branch, opposite, or in whorls of 3 or 4, rarely alternate; petiole 1-1.5cm long; leaf blade elliptic-lanceolate or inverted ovate, 7-17cm long, 2-5.5cm wide, apex shortly acuminate or acute, base narrowly cuneate or gradually attenuate; lateral veins 10-12 pairs, arching up to the margin forming a network. Umbel or corymb-like cyme inflorescence; peduncle, pedicel, calyx, and corolla tube all red; corolla hypocrateriform; middle part of corolla tube swollen, about 1cm long, lobes white; stamens adnate to the middle of the corolla tube, with long soft hairs only above the adnate stamen; disc annular; ovary with 2 carpels, style cylindrical, stigma rod-like. Drupe paired, red, nearly globose, connate to the middle. First flowering period from February to May, second from June to October; first fruiting period from May to August, second from October to the following spring.

生长环境 Growing Environment

我国云南南部有野生，广东、海南、广西等地有栽培。
Wild populations are found in the southern part of Yunnan Province in China, while cultivated populations can be found in Guangdong, Hainan, Guangxi, and other regions.