山玉桂，中药名。为樟科樟属植物野黄桂CinnamomumjensenianumHand.-Mazz.的树皮或叶。植物野黄桂，分布于江西、福建、湖北、湖南西部、广东。具有行气活血，散寒止痛之功效。主治脘腹冷痛，风寒湿痹，跌打损伤。
Shan-yu-gui, name of Chinese Medicinal Material. s the bark or leaves of Cinnamomum jensenianum Hand.-Mazz., a plant of the Lauraceae family and Cinnamomum genus. The wild cinnamon is distributed in Jiangxi, Fujian, western Hubei, western Hunan, and Guangdong. It has the functions of promoting blood circulation, dispelling cold, and relieving pain. It is mainly used to treat cold and pain in the epigastric region, wind-cold-damp arthralgia, and traumatic injuries.

功效作用 功能
The efficacy and functions.

行气活血，散寒止痛。主治
Promoting qi circulation and blood circulation, dispelling cold and relieving pain. Used to treat...

脘腹冷痛，风寒湿痹，跌打损伤。用法用量
Cold pain in the epigastrium, wind-cold-damp bi syndrome, and injuries from falls and blows. Dosage and administration.

内服：煎汤，5-10g；研末吞服，1-1.5g。外用：适量，研末调敷。加工炮制 采收加工
Internal use: Decoction, 5-10g; powdered for oral administration, 1-1.5g. External use: Appropriate amount, powdered for topical application. Processing and preparation: Harvest and process.

全年均可采收，切碎，晒干。植物学信息 植物种属
Harvest, chop, and sun-dry throughout the year. Botanical information on plant species.

樟科樟属植物野黄桂。形态特征
Wild Cinnamomum camphora, a plant of the Lauraceae family and Cinnamomum genus. Morphological characteristics.

野黄桂，别名稀花桂《中山大学学报》，桂皮树（江西、湖南），官桂（广西兴安），三条筋树（四川、湖北）。常绿乔木，高6m。树皮灰褐色，有桂皮香味；枝条无毛。叶常近对生；叶柄长0.6-2.4cm，叶片披针形或长圆状披针形，长5-20cm，宽1.5-6cm，先端尾状渐尖，基部宽楔形或近圆形，全缘，上面绿色，光亮，无毛，下面灰白色，幼时被粉状微柔毛，后变无毛，离基三出脉，中脉与侧脉两面凸起；厚革质。伞房状花序，长3-4cm，近无毛，具2-5朵花，苞片及小苞片长约2mm，早落。花两性，长约4-8mm，黄色或白色，花梗长5-20mm；花被筒极短，长1.5-2mm，花被裂片6，倒卵圆形，长2.5-6mm，先端锐尖，花被外面无毛，内面被丝毛，边缘具乳突小纤毛；能育雄蕊9，花丝被疏柔毛，第1、2轮雄蕊花药卵圆状至长圆形，花丝稍长于花药，无腺体，第3轮雄蕊花药长圆形，花丝近中部有1对盘状腺体；退化雄蕊3，三角形，长约1.8mm，柄被柔毛，位于最内一轮；子房卵球形，花柱比子房长1倍，无毛，柱头盘状，具不规则圆裂。果实卵球形，长1-1.2cm，直径6-7mm，先端具小突尖，无毛；果托倒卵形，长约6mm，直径约8mm，具齿裂，齿先端平截。花期4-6月，果期7-8月。分布区域
Cinnamomum bodinieri, also known as rare flower cinnamon or wild cinnamon, is a species of evergreen tree. It is commonly found in Jiangxi and Hunan provinces where it is known as "桂皮树", in the Xing'an region of Guangxi where it is called "官桂", and in Sichuan and Hubei provinces where it is referred to as "三条筋树". The tree can grow up to 6 meters tall and has gray-brown bark with a fragrant cinnamon scent. Its leaves are arranged in pairs, with lanceolate or elliptic-lanceolate blades that are 5-20cm long and 1.5-6cm wide. The flowers are bisexual, yellow or white in color, and appear in umbel-like clusters. The fruit is oval-shaped, approximately 1-1.2cm long and 6-7mm in diameter, with a small pointed tip at the end. The flowering period is from April to June, and the fruiting period is from July to August. This species is distributed in certain regions of China.

分布于江西、福建、湖北、湖南西部、广东。生长环境
Distributed in Jiangxi, Fujian, Hubei, western Hunan, and Guangdong. Growing environment.

生于海拔500-1600m的山坡常绿阔叶林或竹林中。
It is commonly found in evergreen broad-leaved forests or bamboo forests at an altitude of 500-1600 meters.