大叶山桂，中药名。为樟科樟属植物钝叶桂Cinnamomum obtusifolium（Roxb.）Nees，以树皮入药。具有温中散寒，理气止痛，止血，接骨的功效。主治胃寒疼痛，虚寒泄泻，风湿骨痛，腰肌劳损，阳痿，闭经；外用治外伤出血，骨折，蛇咬伤。
Da-ye-shan-gui, name of Chinese Medicinal Material. the bark of Cinnamomum obtusifolium (Roxb.) Nees, a plant of the Lauraceae family. It is used in traditional Chinese medicine to warm the middle, dispel cold, regulate qi, relieve pain, stop bleeding, and promote mending of fractured bones. It is commonly used to treat stomach pain due to cold, cold diarrhea, rheumatic bone pain, lumbar muscle strain, impotence, and amenorrhea. When applied externally, it can be used to treat external bleeding, fractures, and snake bites.

功效作用 功能
The efficacy and functions.

温中散寒，理气止痛，止血，接骨。主治
Warming the middle, dispelling cold, regulating qi, relieving pain, stopping bleeding, and mending bones. Used to treat...

胃寒疼痛，虚寒泄泻，风湿骨痛，腰肌劳损，阳痿，闭经；外用治外伤出血，骨折，蛇咬伤。用法用量
Stomach cold pain, cold diarrhea, rheumatic bone pain, lumbar muscle strain, impotence, and amenorrhea; externally used for treating external bleeding, fractures, and snake bites. Dosage and administration.

用量干粉0.9-1.5g，水冲服，或9-15g，水煎服；外用鲜树皮适量捣烂调水敷，或研粉敷患处。加工炮制 采收加工
The dosage for the dried powder is 0.9-1.5g, to be taken with water, or 9-15g to be decocted in water for oral administration. For external use, an appropriate amount of fresh tree bark should be mashed and mixed with water for application, or ground into powder and applied to the affected area. Processing and preparation involve harvesting and processing.

四季可采，洗净切片，阴干或晒干研粉，亦可鲜用。植物学信息 植物种属
The herb can be harvested in all seasons, washed, sliced, and then air-dried or sun-dried and ground into powder, or used fresh. Botanical information: plant species.

樟科樟属植物钝叶桂。形态特征
Bluntleaf laurel is a plant of the family Lauraceae and the genus Cinnamomum. It has the following morphological characteristics:

为常绿乔木，高可达15m。树皮灰褐色或黑褐色，有肉桂及樟脑香气；枝常对生，近四棱形，节上稍肥大。叶对生，革质，叶柄带褐色，叶片长椭圆形，长10cm以上，可达30余cm，宽4-7cm，可达16cm，先端钝圆至微凹，基部钝，全缘，离基三出脉明显，期间有横向平行细脉，上面橄榄绿色而光亮，下面淡绿色，无毛。夏季开黄绿色小花，集成圆锥花序；花被6；雄蕊9个；退化雄蕊3。果实椭圆形，橄榄绿色，顶端有小突尖，基部有浅杯状的宿存花被，边缘常可见6圆齿状裂片。分布区域
It is an evergreen tree that can grow up to 15 meters tall. The bark is gray-brown or black-brown, with a scent of cinnamon and camphor. The branches are usually opposite, nearly quadrangular, and slightly swollen at the nodes. The leaves are opposite, leathery, with brownish leaf stalks. The leaf blades are long elliptic, over 10 cm in length and up to over 30 cm, 4-7 cm wide and up to 16 cm, with a bluntly rounded to slightly concave apex, and a blunt base, entire margin, and three prominent basal veins, with transverse parallel fine veins in between. The upper surface is olive green and glossy, while the lower surface is light green and hairless. It produces small yellow-green flowers in summer, arranged in a conical inflorescence; with 6 tepals, 9 stamens, and 3 degenerate stamens. The fruit is elliptical, olive green, with a small pointed tip at the top, and a shallow cup-shaped persistent floral remnant at the base, often with 6 rounded toothed lobes along the edge. Distribution area.

我国广东、广西、云南等省区有分布。生长环境
It is distributed in provinces and regions such as Guangdong, Guangxi, and Yunnan in China. Its natural habitat is...

生于山地密林中，箐沟边或林谷阴湿处。
Born in the dense forests of the mountains, near ravines or in damp valleys.