山椒草，中药名。为荨麻科赤车属植物小赤车PellioniaminimaMakino[PellioniabrevifoliaBenth.]的全草。植物小赤车，分布于我国安徽、浙江、江西、福建、广东、广西等地。具有舒筋活血，解毒消肿之功效。主治扭伤，跌打损伤，疮疖肿毒，蛇伤，鸡眼。
Shan-jiao-cao, name of Chinese Medicinal Material. Pellionia minima Makino [Pellionia brevifolia Benth.]) is the whole plant of Pellionia minima Makino, a plant of the nettle family. The plant is distributed in Anhui, Zhejiang, Jiangxi, Fujian, Guangdong, Guangxi and other regions of China. It has the functions of promoting blood circulation, relieving pain, detoxification, and reducing swelling. It is mainly used for treating sprains, bruises, sores, abscesses, snake bites, and corns.

功效作用 Efficacy and Functions

舒筋活血，解毒消肿。
Promoting blood circulation to remove blood stasis, detoxifying and reducing swelling.

主治 Indications

扭伤，跌打损伤，疮疖肿毒，蛇伤，鸡眼。
Sprains, contusions, sores, abscesses, snake bites, corns.

用法用量 Dosage and Administration

外用：适量，捣敷。
External use: Apply an appropriate amount and use as a poultice.

相关论述 Relevant Discussion

《天目山药用植物志》：“民间治关节扭伤。”
"Compendium of Medicinal Plants in Tianmu Mountain": "A folk remedy for treating joint sprains."

《全国中草药汇编》：“舒筋活血。主治跌打损伤。”
"National Compilation of Chinese Herbal Medicine": "Promotes blood circulation and relaxes tendons. Used to treat bruises and injuries."

临床应用 Clinical Applications

1、治关节扭伤，（山椒草）全草加山天萝（葡萄科蛇葡萄）根等量。用酒精或酒拌和，捣烂烘热敷患处，每日换1次。（《天目山药用植物志》）

1. For treating joint sprains, use an equal amount of the whole plant of Houttuynia cordata Thunb. (Yuxingcao) and the roots of Smilax china L. (Tufuling). Mix them with alcohol or wine, mash into a paste, heat it up, and apply to the affected area. Change once daily. (From "Tianmu Mountain Medicinal Plants Compendium")

2、治鸡眼脚，（山椒草）全草加童便捣烂敷脚底板，2-3剂即愈。（江西《草药手册》）
2. For treating corns on the feet, mash the whole plant of Houttuynia cordata Thunb. (Yuxingcao) with fresh urine and apply it to the soles of the feet. Healing can be achieved in 2-3 treatments. (From "Herbal Manual of Jiangxi")

加工炮制 Processing and Preparation

采收加工：夏、秋季采收，洗净，鲜用或晒干。
Harvest in summer or autumn, wash and clean, use fresh or dry in the sun.

药材鉴别 Identification of Medicinal Materials

药材性状：干品多缠绕成团。茎细长圆柱形，褐色或绿褐色，有较多的须状不定根，灰白色。叶皱缩，展平后歪倒卵形，先端钝圆，边缘有疏锯齿，基部楔形，外侧耳状圆形，叶腋可见球形花序。质脆。气微，味微苦。
The characteristics of the medicinal material: The dried product is tangled into clusters. The stem is slender and cylindrical, brown or greenish-brown, with many filamentous adventitious roots, grayish-white. Leaves are wrinkled; when flattened, they are obliquely obovate, bluntly rounded at the apex, with sparse serrated margins, wedge-shaped at the base, and ear-like and round on the outer side, with spherical inflorescences visible in the leaf axils. Brittle texture. Slight odor, slightly bitter taste.

植物学信息 Botanical Information

植物种属：荨麻科赤车属植物小赤车。
Plant species: Pilea microphylla (L.) Wedd., belonging to the genus Pilea in the Urticaceae family.

形态特征 Morphological Characteristics

小赤车，别名短叶赤车（《中国植物志》）。多年生匍匐草本，长达30厘米。茎褐色或绿色，少分枝，密被微细毛。叶互生，具极短的柄；托叶小；叶片在茎上为2列平展，斜倒卵形，长5-10毫米，宽4-8毫米，先端钝圆，基部内侧楔形，外侧耳状圆形，上面有伏贴的毛，下面脉上有短毛，边缘有波状齿。花单性，雌雄异株；聚伞花序腋生，雄花序有梗，花被片5；雄蕊5；雌花序无梗，呈球形；雌蕊1，柱头毛笔状。瘦果椭圆形，表面有点状突起。花期3-4月，果期4-5月。
Xiao Chi Che, also known as Short-leaved Chi Che (from "Flora of China"). It is a perennial creeping herb, up to 30 cm long. The stem is brown or green, sparsely branched, and densely covered with fine hairs. Leaves are alternate with very short petioles; stipules are small; leaf blades are arranged in two rows along the stem, obliquely obovate, 5–10 mm long, 4–8 mm wide, bluntly rounded at the apex, wedge-shaped on the inner side at the base, ear-shaped and round on the outer side, with appressed hairs on the upper surface, short hairs on veins beneath, and undulate margins. Flowers are unisexual and plants are dioecious; cymose inflorescences are axillary; male inflorescences are pedunculate, with 5 tepals and 5 stamens; female inflorescences are sessile and spherical; pistil 1, stigma brush-like. Fruit is an ellipsoid achene with punctate protuberances. Flowering from March to April, fruiting from April to May.

分布区域 Distribution Area

分布于我国安徽、浙江、江西、福建、广东、广西等地。
Distributed in Anhui, Zhejiang, Jiangxi, Fujian, Guangdong, Guangxi and other regions of China.

生长环境 Growing Environment

生于低山、丘陵阴湿地或岩石上。
Found in shady, moist areas of low mountains and hills, or on rocks.