大叶白纸扇，中药名。为茜草科植物大叶白纸扇MussaendaesquirolliLévl.的茎叶或根。分布于长江以南各地。具有清热解毒，解暑利湿之功效。常用于感冒，中暑高热，咽喉肿痛，痢疾，泄泻，小便不利，无名肿毒，毒蛇咬伤。
Da-ye-bai-zhi-shan, name of Chinese Medicinal Material. the stem, leaves, or roots of Mussaenda esquirolii Lévl., a plant of the Rubiaceae family, distributed in various regions south of the Yangtze River. It has the functions of clearing heat, detoxifying, relieving summer-heat, and promoting diuresis. It is commonly used for colds, heatstroke with high fever, sore throat, dysentery, diarrhea, difficult urination, unidentified swellings, and snake bites.

功效作用 功能
Efficacy and Functions

清热解毒，解暑利湿。主治
Clearing heat and detoxifying, resolving summer heat and dampness. Mainly used for治疗。

用于感冒，中暑高热，咽喉肿痛，痢疾，泄泻，小便不利，无名肿毒，毒蛇咬伤。用法用量
Used for common cold, heatstroke with high fever, sore throat, dysentery, diarrhea, difficult urination, unknown swelling and toxicity, and snake bites. 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. Related discussions.

1、《浙江药用植物志》：“清热，解暑，利湿，解毒。主治中暑，咽喉肿痛，腹泻，小便不利。”2、《福建药物志》：“清热解毒，消肿排脓。主治脚底脓肿，无名肿毒，高热抽搐。”临床应用 相关配伍

1. "Compendium of Medicinal Plants in Zhejiang Province": "Clears heat, relieves summer-heat, promotes diuresis, and detoxifies. Used for treating heatstroke, sore throat, diarrhea, and difficult urination."2. "Compendium of Medicinal Plants in Fujian Province": "Clears heat, detoxifies, reduces swelling, and promotes suppuration drainage. Used for treating abscesses on the soles of the feet, unidentified swellings with toxins, and high fever with convulsions." Clinical applications and relevant compatibility.

1、防治中暑：预防用（大叶白纸扇）藤60-90g。水煎服或代茶饮。治疗用（大叶白纸扇）藤、叶15-30g，水煎服；或（大叶白纸扇）藤60g，大叶桉18g，水煎服。2、治咽喉肿痛：（大叶白纸扇）鲜叶加食盐少许捣烂绞汁，频频咽服。3、治小便不利：（大叶白纸扇）藤、忍冬藤、车前草各30g。水煎服。（1-3方出自《浙江药用植物志》）加工炮制 采收加工

1. Prevention and treatment of heatstroke: For prevention, take 60-90g of Houttuynia cordata. Decoct in water and drink as tea. For treatment, take 15-30g of Houttuynia cordata leaves, decoct in water and drink; or take 60g of Houttuynia cordata, 18g of Eucalyptus leaves, decoct in water and drink.2. Treatment of sore throat: Crush fresh Houttuynia cordata leaves with a little salt, extract the juice, and gargle frequently.3. Treatment of urinary retention: Take 30g each of Houttuynia cordata, Honeysuckle vine, and Plantain herb. Decoct in water and drink. (The above information is from "Zhejiang Medicinal Plants Compendium"). Processing and preparation: Harvest and process accordingly.

茎叶夏季采集，根全年可采，切碎，晒干或鲜用。植物学信息 植物种属
Stems and leaves are collected in summer, while roots can be collected all year round. They should be chopped, dried in the sun, or used fresh. Botanical information about the plant species.

茜草科植物大叶白纸扇。形态特征
The large-leaved white paper fan belongs to the Rubiaceae family of plants. It has the following morphological characteristics:

大叶白纸扇：又名白扇宝心。直立或藤状灌木，高1.3-2m。小枝圆形，被柔毛。叶对生；叶柄长1-3.5cm，有毛；托叶卵状披针形，长8-10mm，先端常2裂；叶片宽卵形或宽椭圆形，长10-25cm，宽5-12cm，先端近突渐尖，基部楔形，两面脉上被疏柔毛，侧脉约9对，叶膜质或薄纸质。聚伞花序顶生；苞片托叶状，长约8mm；花5数，具梗；萼筒陀螺状，长约4mm，裂片披针形，长达1cm，宽2-2.5mm，外被短柔毛，其中一片扩大成叶状，倒卵形，长3-4cm，宽1.5-2cm，白色；花冠黄色，长约1.4cm，裂片卵形，长约2mm，里面有污黄色粉末状绒毛；雄蕊着生于花冠筒中部；子房下位，2室，柱头压扁状，2裂。浆果近球形，直径约1cm。花期6月，果期9月。分布区域
Large-leaved white paper fan: also known as Bai Shan Bao Xin. Upright or vine-like shrub, 1.3-2m tall. Small branches are round and covered with soft hairs. Leaves are opposite; leaf stalk is 1-3.5cm long, hairy; stipules are ovate-lanceolate, 8-10mm long, often 2-lobed at the apex; leaf blade is broadly ovate or broadly elliptic, 10-25cm long, 5-12cm wide, apex abruptly pointed, base cuneate, sparsely hairy on both sides of the veins, about 9 pairs of lateral veins, membranous or thinly papery. Umbel inflorescence is terminal; bracts are leaf-like, about 8mm long; flowers are pentamerous, with pedicels; calyx tube is spirally twisted, about 4mm long, lobes lanceolate, up to 1cm long, 2-2.5mm wide, sparsely hairy outside, one of them enlarged into a leaf-like shape, inverted ovate, 3-4cm long, 1.5-2cm wide, white; corolla is yellow, about 1.4cm long, lobes ovate, about 2mm long, with dirty yellow powdery hairs inside; stamens are inserted in the middle of the corolla tube; ovary is inferior, 2-loculed, style head flattened, 2-lobed. Berry is nearly spherical, about 1cm in diameter. Flowering period is June, fruiting period is September. Distribution area.

分布于长江以南各地。生长环境
Distributed in various regions south of the Yangtze River. Growing environment.

生于山坡水沟边或竹林下阴湿处。
Born on the slope of a hill by a stream or in a damp place under bamboo groves.