斩龙草，中药名。为菊科千里光属植物羽叶千里光SenecioargunensisTurcz.的根及全草。分布于全国大部分地区。具有清热解毒，清肝明目之功效。主治痢疾，咽喉肿痛，目赤，痈肿疮疖，瘰疬，湿疹，疥癣，毒蛇咬伤，蝎蜂螫伤。
Zhan-long-cao, name of Chinese Medicinal Material. 斩龙草) refers to the root and aerial parts of Senecio argunensis Turcz., a plant belonging to the Asteraceae family. It is distributed in most parts of China and is known for its efficacy in clearing heat, detoxifying, and improving liver function and vision. It is commonly used to treat dysentery, sore throat, red eyes, carbuncles, boils, scrofula, eczema, scabies, snake bites, and bee or wasp stings.

功效作用 功能
Efficacy and Functions

清热解毒，清肝明目。主治
Clearing heat and detoxifying, clearing the liver and improving vision. Used to treat...

痢疾，咽喉肿痛，目赤，痈肿疮疖，瘰疬，湿疹，疥癣，毒蛇咬伤，蝎蜂螫伤。用法用量
Dysentery, sore throat, red eyes, boils, scrofula, eczema, scabies, snake bites, and bee stings. Dosage and administration.

内服：煎汤，15-30g，鲜品30-60g，大剂可用至90g。外用：适量，鲜品捣敷；或煎汤熏洗。药理作用
Internal use: Decoction, 15-30g dried or 30-60g fresh, can be used up to 90g in large doses. External use: Apply an appropriate amount of fresh herb paste or use decoction for fumigation and washing. Pharmacological actions.

抑菌作用。相关论述
Antibacterial effect. Relevant discussion.

1、《东北常用中草药手册》：“清热解毒。治蛇、蝎、蜂咬螫伤。”2、《北方常用中草药手册》：“主治疮肿。”临床应用 相关配伍

1. "Handbook of Commonly Used Northeastern Chinese Medicinal Herbs": "Clears heat and detoxifies. Used to treat snake, scorpion, bee stings and bites."2. "Handbook of Commonly Used Northern Chinese Medicinal Herbs": "Mainly used for treating abscesses and swellings." Clinical applications and relevant combinations.

1、治痈疮红肿，淋巴结核，羽叶千里光配薄荷、小毛茛捣敷。（《高原中草药治疗手册》）2、治疮痈肿毒，湿疹，皮炎，鲜羽叶干里光捣烂敷患处；或用全草60-90g，水煎服。（《内蒙古中草药》）3、治顽固性溃疡，斩龙草开花前割取全草，煎熬成膏。贴敷。（《沙漠地区药用植物》）4、治目赤，鲜斩龙草全草捣成泥状，贴太阳穴。（《沙漠地区药用植物》）5、治蛇、蝎、蜂咬螫伤，斩龙草茎、根60-90g，水煎服；另以鲜斩龙草嫩枝叶60-120g，捣敷患处。（《东北常用中草药手册》）加工炮制 采收加工

1. Treat carbuncles with red swelling, lymphadenitis, by applying a poultice of Herba Sarcandrae with Mentha and Ranunculus japonicus. (From "Manual of Herbal Medicine for Plateau Region")2. Treat abscesses, swelling, toxins, eczema, dermatitis, by crushing fresh Herba Sarcandrae and applying it to the affected area; or decocting 60-90g of the whole plant for oral administration. (From "Herbal Medicine of Inner Mongolia")3. Treat stubborn ulcers by harvesting the whole plant of Herba Sarcandrae before flowering, decocting it into a paste, and applying it as a poultice. (From "Medicinal Plants of Desert Regions")4. Treat red eyes by crushing the whole plant of fresh Herba Sarcandrae into a paste and applying it to the temples. (From "Medicinal Plants of Desert Regions")5. Treat snake, scorpion, bee stings by decocting 60-90g of the stems and roots of Herba Sarcandrae for oral administration; alternatively, crush 60-120g of fresh tender branches and leaves of Herba Sarcandrae and apply it to the affected area. (From "Handbook of Commonly Used Herbal Medicines in Northeast China") Processing and preparation of medicinal herbs.

夏季采收，洗净鲜用或扎成把晒干。药材鉴别 药材性状
Summer is the season for harvesting, the herbs should be washed clean and used fresh or tied into bundles for drying. The identification and characterization of medicinal herbs.

药材性状：根茎两侧和下面生多数黄棕色或红棕色细根，根直径约1mm，质脆易断。茎圆柱形，直径0.3-0.6cm。上部多分枝；表面绿黄色，具明显纵条纹，密被蛛丝状毛；质硬而脆，折断面见髓部大，白色。叶片多皱缩破碎，完整者展平后呈椭圆形，羽状分裂，背面具短毛或蛛丝状毛。头状花序呈伞状排列，总序梗细长，花黄色或黄棕色。瘦果圆柱形，冠毛污白色，长约5mm。气微，味微苦。以叶多、色绿、老梗少者为佳。植物学信息 植物种属
Medicinal material characteristics: Numerous yellow-brown or reddish-brown fine roots grow on both sides and underneath the rhizome, with a root diameter of about 1mm, and the texture is brittle and easy to break. The stem is cylindrical, with a diameter of 0.3-0.6cm. The upper part branches out a lot; the surface is greenish-yellow with obvious longitudinal stripes, densely covered with cobweb-like hairs; the texture is hard and brittle, and the broken surface shows a large white pith. The leaves are wrinkled and broken, and when flattened, they are elliptical with pinnate lobes, with short hairs or cobweb-like hairs on the back. The capitulum is arranged in an umbel-like inflorescence, with a slender peduncle, and the flowers are yellow or yellowish-brown. The achene is cylindrical, with a whitish crown, about 5mm long. It has a slight aroma and a slightly bitter taste. It is best to use leaves that are abundant, green in color, and have few old stems. Botanical information Plant species.

菊科千里光属植物羽叶千里光。形态特征
The plant of the Chrysanthemum genus in the Asteraceae family is called the feather-leaved chrysanthemum. It has distinctive morphological characteristics.

羽叶千里光，别名额河千里光《中国高等植物图鉴》，阿贡千里光《中药大辞典》。多年生草本，高60-150厘米。主根缩短，须根多呈细索状，并有歪斜的地下茎。地上茎直立，单生或丛生，有纵细纹，无毛或于先端有白色细毛，上部多分枝，向外展开。基生叶成莲座状，花后脱落，有柄，卵状椭圆形，边缘具圆钝或尖锐锯齿，无毛或仅沿中脉处有毛；中部叶无柄，椭圆形，长6-10厘米，宽3-6厘米，羽状深裂，裂片约6对，条形，全缘或有1-2小裂片或齿，先端尖或钝，上面近无毛，下面色浅而被疏蛛丝状毛；上部叶小，椭圆状披针形至条形，边缘作不规则的羽裂或不裂。头状花序，多数，排列成复伞房状；梗细长，有细条形苞叶；总苞片近钟状，长约5-6毫米，外面有条形苞片；总苞片1层，约13个，条形，先端尖，边缘膜质，背面被蛛丝状毛；舌状花10余个，黄色，舌片条形；筒状花多数；缘花舌状，1层，雌性，长7-10毫米，先端具不明显齿裂；盘花管状，多层，两性，长约6毫米，先端5裂。瘦果，椭圆形，有纵沟；冠毛白色，长约5毫米。生长环境
The plant you mentioned is called Patrinia scabiosifolia, also known as Ehe Qianliguang in Chinese. It is a perennial herb that grows 60-150 centimeters tall. The main root is shortened, with numerous fibrous roots and slanting underground stems. The aboveground stem is erect, solitary or clustered, with longitudinal fine lines, and may have white fine hairs at the apex, branching mostly in the upper part and spreading outward. The basal leaves are rosette-shaped, falling off after flowering, with petioles, ovate to elliptic, with rounded or sharp serrated edges, hairless or only hairy along the midrib; the middle leaves are stalkless, elliptic, 6-10 centimeters long and 3-6 centimeters wide, deeply lobed, with about 6 pairs of linear lobes, entire or with 1-2 small lobes or teeth, pointed or blunt at the tip, nearly hairless on the upper surface, light-colored and sparsely hairy with cobweb-like hairs on the lower surface; the upper leaves are small, elliptic-lanceolate to linear, irregularly pinnately lobed or not lobed at the edges. The inflorescence is head-like, with many arranged in compound umbels; the peduncle is slender, with linear bracts; the involucre is nearly bell-shaped, about 5-6 millimeters long, with linear bracts on the outside; there is a single layer of about 13 linear involucral bracts, pointed at the tip, membranous at the edges, and hairy on the back; there are over 10 ligulate florets, yellow, with linear ligules; numerous tubular florets; marginal florets ligulate, single-layered, female, 7-10 millimeters long, with inconspicuous toothed tips; disc florets tubular, multilayered, hermaphroditic, about 6 millimeters long, with 5 lobes at the tip. The fruit is elliptical with longitudinal grooves; the pappus is white, about 5 millimeters long. This plant grows in...

生于草地、山坡、林缘、溪岸、喜阴湿地。
Born in grasslands, mountain slopes, forest edges, stream banks, and shade-loving wetlands.