紫麻，中药名。为荨麻科植物紫麻Oreocnidefrutescens(Thunb.)Miq.的全株。分布于华南、西南及陕西、浙江、江西、福建、台湾、湖北、湖南、四川、贵州等地。具有清热解毒，行气活血，透疹之功效。常用于感冒发热，跌打损伤，牙痛，麻疹不透，肿疡。
Zi-ma, name of Chinese Medicinal Material. Oreocnide frutescens (Thunb.) Miq.) is the whole plant of the Urticaceae plant Oreocnide frutescens (Thunb.) Miq. It is distributed in South China, Southwest China, Shaanxi, Zhejiang, Jiangxi, Fujian, Taiwan, Hubei, Hunan, Sichuan, Guizhou, and other places. It has the functions of clearing heat and detoxification, promoting blood circulation and relieving blood stasis, and promoting eruption. It is commonly used for fever due to cold, bruises, toothache, measles without eruption, and abscesses.

功效作用 功能
Efficacy and Functions

清热解毒，行气活血，透疹。主治
Clearing heat, detoxifying, promoting qi circulation, activating blood circulation, and resolving rashes. Mainly used for治疗。

感冒发热，跌打损伤，牙痛，麻疹不透，肿疡。用法用量
Common cold with fever, bruises, toothache, measles that doesn't erupt, and abscess. Dosage and administration.

内服：煎汤，30-60g。外用：适量，捣敷；或水煎含漱。相关论述
Internal use: Decoction, 30-60g. External use: appropriate amount, pounded for application; or decocted in water for rinsing the mouth. Related discussions.

1、《分类草药性》：“治跌打损伤，止血。”2、《福建药物志》：“行气，活血。治跌打损伤，牙痛，小儿麻疹发热。”临床应用 相关配伍

1. "Categorized as herbs for treating injuries and stopping bleeding."2. "Promotes the circulation of Qi and blood. Used for treating injuries, toothache, and fever in children with measles." Clinical applications and related compatibility.

治跌打损伤：紫麻叶、金钱草、红牛膝、酸浆草各15-30g，炖酒服。（《土家族药物志》）加工炮制 采收加工
Treatment for bruises and injuries: 15-30g of purple perilla leaves, moneywort, red knee, and wood sorrel, stewed in alcohol for consumption. (From "Compendium of Tujia Medicines") Processing and preparation: Harvest and process.

夏、秋季采收，洗净，鲜用或晒干。药材鉴别 药材性状
Harvest in summer or autumn, wash and clean, use fresh or dry in the sun. Identification of medicinal materials and their properties.

全株有毛，长达lm。茎上有棱槽。叶皱缩，展平后卵状长圆形或卵状披针形，长4-12cm，宽1.7-5cm，先端渐尖，基部楔形，边缘有锯齿；叶柄长1-4cm。果实卵形。气微，味微甜。植物学信息 植物种属
The whole plant is hairy, reaching up to 1 meter in length. The stem has ridges. The leaves are wrinkled and become ovate-oblong or ovate-lanceolate after unfolding, 4-12cm long, 1.7-5cm wide, gradually pointed at the tip, wedge-shaped at the base, with serrated edges; leaf stalks are 1-4cm long. The fruit is ovate. It has a slight aroma and a slightly sweet taste. Botanical information about the plant species.

荨麻科植物紫麻。形态特征
Urticaceae plant: Boehmeria nivea. Morphological characteristics.

紫麻，又名大叶麻、长梗紫苎麻。小灌木，高1-3m。分枝上部生短伏毛。叶互生，多生于茎或分枝的顶部或上部；叶柄长1-4cm；托叶披针形，早落；叶片卵形或狭卵形，长4-12cm，宽1.7-5cm，先端渐尖，基部圆形或宽楔形，边缘有牙齿，上面粗糙，疏生短毛，枝条上部叶的下面常密生交织的白色柔毛，下部叶的下面疏生短毛，钟乳体点状；基生脉3条。雌雄异株；花小，无柄，簇生于落叶腋部或叶腋；雄花的花被片3，卵形，长约1.5mm，雄蕊3；雌花序球形，直径约3mm，近无柄，花被管状，柱头盾形，密生一簇长毛。瘦果卵形，长约lmm。花期3-4月，果期6-7月。分布区域
Zima, also known as Daye Ma or Changgeng Zizhuma, is a small shrub that grows to a height of 1-3 meters. The upper branches are covered with short appressed hairs. The leaves are alternate, mostly located at the top or upper part of the stem or branches; leaf stalks are 1-4cm long; stipules are lanceolate, early falling off; leaf blades are ovate or narrowly ovate, 4-12cm long, 1.7-5cm wide, gradually pointed at the tip, rounded or broadly wedge-shaped at the base, with teeth along the edges, rough on the upper surface, sparsely covered with short hairs, the undersides of the upper leaves on the branches often densely covered with interlaced white soft hairs, the undersides of the lower leaves sparsely covered with short hairs, and glandular dots present; there are 3 basal veins. Zima is dioecious; the flowers are small, sessile, clustered in the leaf axils or leaf axils of deciduous leaves; the male flowers have 3 tepals, ovate, about 1.5mm long, and 3 stamens; the female flowers are globose, about 3mm in diameter, nearly sessile, with tubular corollas, shield-shaped stigmas, and densely covered with a cluster of long hairs. The fruit is ovoid, about 1mm long. Zima blooms from March to April, and the fruit ripens from June to July. It is distributed in certain regions.

分布于华南、西南及陕西、浙江、江西、福建、台湾、湖北、湖南、四川、贵州等地。生长环境
Distributed in South China, Southwest China, Shaanxi, Zhejiang, Jiangxi, Fujian, Taiwan, Hubei, Hunan, Sichuan, Guizhou, and other regions. Growing environment.

生于山谷、溪边、林下湿地。
Born in the valley, by the stream, in the wetlands under the forest.