蛇藤，中药名。为豆科金合欢属植物羽叶金合欢Acaciapennata（L.）Willd.[MimosapennataL.]的根及老茎。植物羽叶金合欢，分布于云南、广东、福建。具有祛风渗湿，活血止痛之功效。主治腰肌劳损，跌打损伤，风湿痹痛，渗出性皮炎，阴囊湿疹，下肢溃疡。
She-teng, name of Chinese Medicinal Material. The root and old stem of Acacia pennata (L.) Willd. [Mimosa pennata L.], a plant of the genus Acacia in the legume family. Acacia pennata is distributed in Yunnan, Guangdong, and Fujian. It has the functions of dispelling wind and dampness, promoting blood circulation, and relieving pain. It is mainly used for lumbar muscle strain, bruises, rheumatic pain, exudative dermatitis, scrotal eczema, and lower limb ulcers.

功效作用 Efficacy and Functions

祛风渗湿，活血止痛。
Dispelling wind and eliminating dampness, promoting blood circulation and relieving pain.

主治 Indications

腰肌劳损，跌打损伤，风湿痹痛，渗出性皮炎，阴囊湿疹，下肢溃疡。
Strained lumbar muscles, contusions, rheumatic pain, exudative dermatitis, eczema in the scrotum, and lower limb ulcers.

用法用量 Dosage and Administration

内服：煎汤，15-30g。
Internal administration: Decoction, 15-30g.

药理作用 Pharmacological Effects

抗生育作用。
Contraceptive effects.

相关论述 Relevant Discussions

《浙江药用植物志》：“祛风湿，强筋骨，活血止痛。主治脊椎骨损伤，腰脊肌劳损，风湿痹痛。”
"Compendium of Medicinal Plants in Zhejiang Province": "Dispels wind and dampness, strengthens tendons and bones, promotes blood circulation and relieves pain. It is used to treat spinal bone injuries, lumbar muscle strain, and rheumatic pain."

临床应用 Clinical Application

治疗风湿性关节炎疼痛，跌打损伤及骨折肿痛。
Treatment for rheumatoid arthritis pain, bruises, sprains, and fractures.

相关配伍 Related Compatibility

1、治风湿痹痛，（蛇藤）根及老茎30-60g，猪蹄或猪肉125g。煨熟，食肉服汤。（《浙江药用植物志》）

1. To treat rheumatic pain, use 30-60g of the roots and old stems of the Chinese herb "Sheteng" along with 125g of pig's trotters or pork. Stew them thoroughly, then consume the meat and soup. (From "Zhejiang Medicinal Plants Compendium")

2、治腰椎单纯压缩性骨折，（蛇藤）根及老茎30g，当归、川续断、牛膝、茜草各9g。水煎服。外用活血止痛膏敷局部，适当固定，仰卧休息。（《浙江药用植物志》）
2. For the treatment of lumbar vertebral compression fractures, use 30g of the roots and old stems of the Chinese herb "Sheteng" along with 9g each of danggui (Chinese angelica), chuanxiong (Szechuan lovage rhizome), niuxi (Achyranthes root), and qiancao (Madder root). Prepare a decoction for oral consumption. Apply a topical blood-activating and pain-relieving ointment to the affected area, and provide appropriate fixation. Rest in a supine position. (From "Zhejiang Medicinal Plants Compendium")

加工炮制 Processing and Preparation

采收加工：秋、冬季采老茎及根，晒干。
Harvest and process: Collect old stems and roots in autumn and winter, then dry them in the sun.

药材鉴别 Identification of Medicinal Materials

药材性状：根成条状，有分枝，表皮黄褐色，且淡黄色横生皮孔，切面中心呈淡黄色。茎枝具五棱，棱上和叶轴散布有钩刺及锈色短柔毛。
Characteristics of medicinal material: The roots are cylindrical with branches, and the outer skin is yellow-brown with light yellow horizontal lenticels. The cross-section shows a light yellow center. The stems have five edges, with hooks and rust-colored short soft hairs scattered on the edges and leaf axis.

植物学信息 Botanical Information

植物种属：豆科金合欢属植物羽叶金合欢。
Plant species: Albizia julibrissin, a plant in the Fabaceae family.

形态特征 Morphological Characteristics

羽叶金合欢，别名南蛇筋藤、南蛇箣（《中国高等植物图鉴》）。攀援、多刺藤本；小枝和叶轴均被锈色短柔毛。总叶柄基部及叶轴上部羽片着生处稍下均有凸起的腺体1枚；羽片8-22对；小叶30-54对，线形，长5-10毫米，宽0.5-1.5毫米，彼此紧靠，先端稍钝，基部截平，具缘毛，中脉靠近上边缘。头状花序圆球形，直径约1厘米，具1-2厘米长的总花梗，单生或2-3个聚生，排成腋生或顶生的圆锥花序，被暗褐色柔毛；花萼近钟状，长约1.5毫米，5齿裂；花冠长约2毫米；子房被微柔毛。果带状，长9-20厘米，宽2-3.5厘米，无毛或幼时有极细柔毛，边缘稍隆起，呈浅波状；种子8-12颗，长椭圆形而扁。花期3-10月；果期7月至翌年4月。
Albizia julibrissin, also known as Nanshejinteng or Nanshece (from "Flora of China"), is a climbing, prickly vine. Its small branches and leaf stalks are covered with rust-colored short soft hairs. There is a raised glandular body at the base of the petiole and slightly below where the leaflets attach on the rachis. It has 8–22 pairs of pinnae, with 30–54 pairs of linear leaflets per pinna, 5–10 mm long and 0.5–1.5 mm wide, closely adjacent, apex slightly blunt, base truncate, with ciliate margins, and midvein near the upper edge. The spherical head-like inflorescence is about 1 cm in diameter, borne on a 1–2 cm peduncle, solitary or in clusters of 2–3, arranged in axillary or terminal panicles, covered with dark brown pubescence. The calyx is nearly campanulate, about 1.5 mm long, 5-toothed; the corolla is about 2 mm long; the ovary is sparsely pubescent. The fruit is a strap-shaped pod, 9–20 cm long and 2–3.5 cm wide, glabrous or minutely pubescent when young, slightly raised at the margins, shallowly undulate; containing 8–12 flattened, oblong-elliptic seeds. Flowering occurs from March to October; fruiting from July to April of the following year.

分布区域 Distribution Area

分布于云南、广东、福建。
Distributed in Yunnan, Guangdong, and Fujian.

生长环境 Growing Environment

多生于低海拔的疏林中，常攀附于灌木或小乔木的顶部。
Commonly grows in sparse forests at low altitudes, often clinging to the tops of shrubs or small trees.