变豆菜，中药名。为伞形科变豆菜属植物变豆菜Sanicula chinensis Bunge.的全草。具有解毒，止血的功效。主治咽痛，咳嗽，月经过多，尿血，外伤出血，疮痈肿毒。
Bian-dou-cai, name of Chinese Medicinal Material. the whole herb of Sanicula chinensis Bunge, a plant of the Umbelliferae family, has the effects of detoxification and hemostasis. It is used to treat sore throat, cough, excessive menstruation, hematuria, external bleeding, and carbuncle.

功效作用 功能
Efficacy and Functions

解毒，止血。主治
Detoxification, hemostasis. Mainly used for治疗.

咽痛，咳嗽，月经过多，尿血，外伤出血，疮痈肿毒。用法用量
Sore throat, cough, excessive menstrual bleeding, hematuria, external bleeding from wounds, and carbuncles with swelling and toxicity. Dosage and administration.

内服：煎汤，6-15g。外用：适量，捣敷。相关论述
Internal use: Decoction, 6-15g. External use: Appropriate amount, pounded for application. Relevant discussion.

1、《青岛中草药手册》：“清热解毒，杀虫。主治痈肿疮毒，驱除蛔虫。”2、《长白山植物药志》：“地上部分用于月经过多，血尿。根及地上部分外用于伤口可止血。”临床应用 相关配伍

1. "Qingdao Herbal Manual": "Clears heat, detoxifies, and kills parasites. Used to treat abscesses, swellings, sores, and poison, as well as expelling roundworms."2. "Flora Medica of Changbai Mountain": "The above-ground parts are used for excessive menstruation and hematuria. The roots and above-ground parts can be applied externally to wounds to stop bleeding." Clinical applications and related compatibility.

治疖疮红肿：山芹菜15g，地丁15g。捣烂敷患处。（《青岛中草药手册》）加工炮制 采收加工
Treatment for swollen carbuncle: 15g of Chinese celery and 15g of Herba Speranskiae. Crush them into a paste and apply to the affected area. (From "Qingdao Chinese Herbal Manual") Processing and preparation: Harvest and process.

6-10月采收，鲜用或晒于。植物学信息 植物种属
Harvest from June to October, for fresh use or drying. Botanical information: plant species.

伞形科变豆菜属植物变豆菜。形态特征
The plant belongs to the Umbelliferae family and the Brassica genus. It has distinctive morphological characteristics.

多年生草本，高40-100cm。全株无毛。根茎粗短，有许多细长支根，茎直立，有纵沟纹，下部不分枝，上部几次叉状分枝。基生叶叶柄长10-30cm，基部有透明的膜质鞘；叶片近圆形至圆心形，常3全裂，少至5裂，中裂片楔状倒卵形，长3-10cm，宽4-13cm，两侧裂片各有1深裂，很少不裂，边缘有大小不等的尖锐重锯齿；茎生叶逐渐变小，通常3裂，裂片边缘有大小不等的尖锐重锯齿。伞形花序二至三回叉式分枝；总苞片叶状，3裂或近羽状分裂；伞辐2-3；小总苞片8-10，卵状披针形；小伞形花序有花6-10；萼齿窄线形，顶端渐尖；花瓣倒卵形，白色或绿白色，花柱与萼齿近等长。双悬果球状圆卵形，长4-5mm，宽3-4mm，皮刺直立，顶端钧状，基部膨大；果实的横剖面近圆形，胚乳腹面略凹陷，油管5，合生面通常2，大而显着。花、果期4-10月。分布区域
Perennial herb, 40-100cm tall. The entire plant is hairless. The rhizome is short and thick, with many slender long roots. The stem is erect, with longitudinal grooves, unbranched at the base, and branching several times in the upper part. Basal leaves have petioles 10-30cm long, with transparent membranous sheaths at the base; leaf blades are nearly circular to reniform, often 3-lobed, sometimes up to 5-lobed, with the central lobe wedge-shaped to ovate, 3-10cm long, 4-13cm wide, each side lobe with one deep cleft, rarely unlobed, and margins with sharp and uneven serrations; stem leaves gradually become smaller, usually 3-lobed, with sharp and uneven serrations on the margins of the lobes. Umbel inflorescence with two to three times dichotomous branching; involucral bracts leaf-like, 3-lobed or nearly pinnately divided; rays 2-3; bracteoles 8-10, ovate-lanceolate; umbels with 6-10 flowers; sepals narrowly linear, gradually pointed at the tip; petals inverted ovate, white or greenish-white, with styles nearly equal in length to the sepals. Drupe is globose to broadly ovoid, 4-5mm long, 3-4mm wide, with erect prickles, conical at the tip, and swollen at the base; the transverse section of the fruit is nearly circular, slightly concave on the ventral side of the endosperm, with 5 oil tubes, usually 2 conspicuous adaxial ones, large and prominent. Flowering and fruiting period from April to October. Distribution area.

分布于东北、华东、中南、西南和西北各地。生长环境
Distributed in the northeast, east, south-central, southwest, and northwest regions. Growing environment.

生于海拔200-2300m的阴湿山坡路旁、杂木林下、竹园边、溪边草丛中。
It grows on shady and damp mountain slopes at altitudes of 200-2300 meters, under mixed woods, along the edges of bamboo groves, and among grass by the streams.