瑞连草，中药名。为菊科植物钻叶紫菀AstersubulatusMichx.的全草。分布于西南及江苏、浙江、江西、湖南等地。具有清热解毒之功效。常用于痈肿，湿疹。
Rui-lian-cao, name of Chinese Medicinal Material. It refers to the whole plant of AstersubulatusMichx., a plant of the Asteraceae family. It is distributed in the southwest, Jiangsu, Zhejiang, Jiangxi, Hunan, and other regions. It has the function of clearing heat and detoxification. It is commonly used for treating abscesses and eczema.

功效作用 功能
Efficacy and Functions

清热解毒。主治
Clearing heat and detoxifying. Used to treat.

用于痈肿，湿疹。用法用量
Used for boils, swelling, and eczema. Dosage and administration.

内服：煎汤，10-30g。外用：适量，捣敷。相关论述
Internal use: Decoction, 10-30g. External use: Appropriate amount, pounded for application. Relevant discussion.

1、《湖南药物志》：“苦、酸，无毒。”2、《全国中草药汇编》：“苦、酸，凉。”3、《湖南药物志》：“清热解毒。”临床应用 相关配伍

1. "Hunan Materia Medica": "Bitter, sour, non-toxic."2. "National Compilation of Chinese Herbal Medicines": "Bitter, sour, cool."3. "Hunan Materia Medica": "Clears heat and detoxifies." Clinical applications and related compatibility.

1、治肿毒：（钻形紫菀）全草捣烂，敷患处。2、治湿疹：（钻形紫菀）全草30g。水煎服。（1-2方出自《湖南药物志》）加工炮制 采收加工

1. Treating swelling and toxicity: Crush the whole plant of Houttuynia cordata and apply it to the affected area.2. Treating eczema: Take 30g of the whole plant of Houttuynia cordata, decoct in water, and take orally. (The above information is from "Hunan Materia Medica"). Processing and preparation: Harvest and process.

秋季采收，切段，鲜用或晒干。植物学信息 植物种属
Harvest in autumn, cut into sections, use fresh or sun-dry. Botanical information: plant species.

菊科植物钻叶紫菀。形态特征
Chrysanthemum morifolium, a plant in the Asteraceae family. Morphological characteristics.

一年生草本，高25-80cm。茎基部略带红色，上部有分枝。叶互生，无柄；基部叶倒披针形，花期凋落；中部叶线状披针形，长6-10cm，宽0.5-1cm，先端尖或钝，全缘，上部叶渐狭线形。头状花序顶生，排成圆锥花序；总苞钟状；总苞片3-4层，外层较短，内层较长，线状钻形，无毛，背面绿色，先端略带红色；舌状花细狭、小，红色；管状花多数，短于冠毛。瘦果略有毛。花期9-11月。分布区域
A one-year herbaceous plant, 25-80cm tall. The stem base is slightly red, with branching in the upper part. The leaves are opposite, sessile; basal leaves are inversely lanceolate, falling off during the flowering period; middle leaves are linear-lanceolate, 6-10cm long, 0.5-1cm wide, with a pointed or blunt tip, entire margin, and gradually narrowing linear shape towards the upper leaves. The capitulum is terminal, arranged in a conical capitulum; the involucre is bell-shaped; the involucral bracts are 3-4 layers, with the outer layer shorter than the inner layer, linear-lanceolate, glabrous, green on the back, slightly red at the apex; ligulate flowers are slender, small, and red; tubular flowers are numerous, shorter than the pappus. The achene is slightly hairy. The flowering period is from September to November. Distribution area.

分布于西南及江苏、浙江、江西、湖南等地。原产北美洲。生长环境
Distributed in the southwest as well as Jiangsu, Zhejiang, Jiangxi, Hunan, and other regions. Originally from North America. Growing environment.

生于潮湿含盐的土壤等地。
Born in damp and salty soil.