土大黄叶，中药名。为蓼科酸模属植物钝叶酸模RumexobtusifoliusL.的叶。植物钝叶酸模，分布于我国河北、山东、陕西、甘肃、江苏、浙江、江西、安徽、湖南、湖北及四川，日本、欧洲、非洲也有。具有清热解毒，凉血止血，消肿散瘀之功效。主治肺痈，肺结核咯血，痈疮肿毒，痄腮，咽喉肿痛，跌打损伤。
Tu-dai-huang-ye, name of Chinese Medicinal Material. the leaf of Rumex obtusifolius L., a plant of the Polygonaceae family. The plant is distributed in Hebei, Shandong, Shaanxi, Gansu, Jiangsu, Zhejiang, Jiangxi, Anhui, Hunan, Hubei, and Sichuan provinces of China, as well as in Japan, Europe, and Africa. It is known for its effects of clearing heat and detoxification, cooling blood and stopping bleeding, and dispersing swelling and promoting blood circulation. It is used to treat pulmonary abscess, pulmonary tuberculosis with hemoptysis, carbuncles and sores, mumps, sore throat, and traumatic injuries.

功效作用 功能
Efficacy and Functions

清热解毒，凉血止血，消肿散瘀。主治
Clearing heat and detoxifying, cooling blood and stopping bleeding, reducing swelling and dispersing stasis. Mainly used for...

肺痈，肺结核咯血，痈疮肿毒，痄腮，咽喉肿痛，跌打损伤。用法用量
Pulmonary abscess, pulmonary tuberculosis with hemoptysis, abscesses, swellings, and toxins, mumps, sore throat, and bruises. Dosage and administration.

内服：煎汤，9～15g；鲜品，30～60g；或捣汁。外用：适量，捣敷。相关论述
Internal use: Decoction, 9-15g; Fresh product, 30-60g; or pounded for juice. External use: appropriate amount, pounded for application. Related discussion.

1、《植物名实图考》：“敷疮。”2、《福建民间草药》：“止血行血，散瘀生新，解热去风。”临床应用 相关配伍

1. "Illustrated Guide to Plant Names and Realities": "Treating wounds by applying herbal medicine."2. "Folk Herbal Medicine in Fujian Province": "Stops bleeding, promotes blood circulation, disperses blood stasis, promotes tissue regeneration, relieves fever, and dispels wind." Clinical applications and relevant herbal combinations.

1、治肺结核咯血，土大黄鲜叶7片。水煎服。（《全国中草药汇编》）2、治月经不调，土大黄鲜叶5～7枚。水煎，冲甜酒服。（《湖南药物志》）3、治牛皮癣，土大黄叶、红糖各等分。捣烂敷患处。（《河南中草药手册》）加工炮制 采收加工

1. For treating hemoptysis in pulmonary tuberculosis, take 7 fresh leaves of Rheum officinale. Decoct in water and take orally. (From "National Compilation of Chinese Herbal Medicines")2. For treating irregular menstruation, take 5-7 fresh leaves of Rheum officinale. Decoct in water, then mix with sweet wine and take orally. (From "Hunan Materia Medica")3. For treating psoriasis, take an equal amount of fresh leaves of Rheum officinale and brown sugar. Mash them into a paste and apply to the affected area. (From "Henan Chinese Herbal Medicine Handbook") Processing and preparation: Harvesting and processing.

春夏季采叶，洗净，鲜用或晒干。药材鉴别 药材性状
In spring and summer, the leaves are harvested, washed, and used fresh or dried in the shade. Identification of medicinal herbs and their properties.

叶皱缩。展平后基生叶有长柄；托叶鞘膜质，脱落；叶片卵形至卵状长椭圆形，长20～30㎝，宽12～20㎝，先端钝或钝圆。基部心形或歪心形，叶下面有明显的小瘤状突起。茎生叶卵状披针形，较小。植物学信息 植物种属
The leaves are wrinkled and shriveled. After being spread out, the basal leaves have long petioles; the bracts are membranous and fall off; the leaf blades are ovate to ovate-oblong, 20-30 cm long and 12-20 cm wide, with a blunt or rounded apex. The base is cordate or oblique-cordate, with obvious small wart-like protrusions on the lower surface of the leaf. The stem leaves are ovate-lanceolate and smaller. Botanical information about plant species.

蓼科酸模属植物钝叶酸模。形态特征
The plant of the genus Rumex belongs to the Polygonaceae family. It has the morphological characteristic of blunt leaves.

多年生草本。根粗壮，直径可达1.5厘米。茎直立，高60～120厘米，有分枝，具深沟槽，无毛。基生叶长圆状卵形或长卵形，长15～30厘米，宽6～15厘米，顶端钝圆或稍尖，基部心形，边缘微波状，上面无毛，下面疏生小突起；叶柄长6～12厘米，被小突起；茎生叶长卵形，较小，叶柄较短；托叶鞘膜质，易破裂。花序圆锥状具叶，分枝斜上；花两性，密集成轮；花梗细弱，丝状，中下部具关节，关节明显；外花被片狭长圆形，长约1.5毫米，内花被片果时增大，狭三角状卵形，顶端稍钝，基部截形，长4～6毫米，宽2～3毫米（不包括刺状齿），边缘每侧具2～3个刺状齿，齿长0.8～1.5毫米，通常1片具小瘤。瘦果卵形，帷3锐棱，长约2.5毫米，暗褐色，有光泽。花期5～6月，果期6～7月。分布区域
Perennial herb. The roots are thick and can reach a diameter of 1.5 centimeters. The stems are erect, 60-120 centimeters tall, branched, deeply grooved, and hairless. The basal leaves are oblong-ovate or lanceolate, 15-30 centimeters long, 6-15 centimeters wide, bluntly rounded or slightly pointed at the apex, heart-shaped at the base, with slightly wavy margins, hairless on the upper surface, and sparsely covered with small protuberances on the lower surface; leaf stalks are 6-12 centimeters long, covered with small protuberances; stem leaves are lanceolate, smaller, with shorter leaf stalks; stipules are membranous and easily ruptured. The inflorescence is cone-shaped with leaves, branching obliquely upwards; the flowers are bisexual, densely arranged in whorls; the flower stalks are slender, thread-like, with joints in the middle and lower parts, which are distinct; the outer bracts are narrowly oblong, about 1.5 millimeters long, and the inner bracts enlarge when fruiting, becoming narrowly triangular-ovate, slightly blunt at the apex, truncate at the base, 4-6 millimeters long, 2-3 millimeters wide (excluding the prickly teeth), with 2-3 prickly teeth on each side of the margin, each tooth being 0.8-1.5 millimeters long, usually with a small tubercle on one side. The achene is ovate, with three sharp edges, about 2.5 millimeters long, dark brown, and glossy. Flowering occurs from May to June, and fruiting occurs from June to July. Distribution area.

分布于我国河北、山东、陕西、甘肃、江苏、浙江、江西、安徽、湖南、湖北及四川，日本、欧洲、非洲也有。生长环境
Distributed in Hebei, Shandong, Shaanxi, Gansu, Jiangsu, Zhejiang, Jiangxi, Anhui, Hunan, Hubei, and Sichuan provinces of China, as well as in Japan, Europe, and Africa. Habitat.

生于田边路旁、沟边湿地，海拔50～1100米。
Born by the roadside of fields, beside ditches and wetlands, at an altitude of 50 to 1100 meters.