红叶树子，中药名。为山龙眼科植物小果山龙眼HeliciacochinchinensisLour.的种子。分布于华南及浙江、江西、福建、台湾、湖北、湖南、四川、云南等地。具有解毒敛疮之功效。常用于烧烫伤。
Hong-ye-shu-zi, name of Chinese Medicinal Material. efers to the seeds of the plant Helicia cochinchinensis Lour., which belongs to the Sapindaceae family. It is distributed in South China, as well as in Zhejiang, Jiangxi, Fujian, Taiwan, Hubei, Hunan, Sichuan, Yunnan, and other regions. It is known for its detoxifying and wound-healing properties, and is commonly used for treating burns and scalds.

功效作用 Efficacy and Functions

解毒敛疮。
Detoxification and wound healing.

主治 Indications

烧烫伤。
Burns and scalds.

用法用量 Dosage and Administration

外用：适量，研末调敷。
External use: Apply an appropriate amount of the powdered medicine and spread it evenly.

注意事项 Precautions

不宜内服。
Not suitable for internal use.

相关论述 Relevant Discussion

胡炮生：小果山龙眼子，味苦性寒，有毒，一般外用具有解毒、祛腐生新的功效，临床上以鲜品捣汁配九里光、桐花、桐油外涂专治烧伤。
Hu Paosheng: Xiaoguoshan longan seed, with a bitter and cold nature, is toxic. Generally used externally, it has the effects of detoxification and promoting the growth of new tissue. In clinical practice, fresh products are mashed and mixed with Jiuliguang, tonghua, and tong oil for external application to treat burns.

加工炮制 Processing and Preparation

采收加工：冬季至次年春季采收成熟果实，去果皮、肉，取种子，晒干。
Harvest mature fruits from winter to the following spring, remove the skin and flesh, and then take out the seeds to dry them.

植物学信息 Botanical Information

植物种属：山龙眼科植物小果山龙眼。
The Small-fruited Longan (Xiaoguoshan longan) is a plant in the Proteaceae family.

形态特征 Morphological Characteristics

小果山龙眼，又名越南山龙眼、黑灰树、羊屎果。乔木，高4-20m。树皮灰褐色或暗褐色。叶互生，薄革质或纸质；叶柄长0.5-1.5cm；叶片长圆形、倒卵状椭圆形、长椭圆形或披针形，长5-15cm，宽2.5-5cm，先端短渐尖或钝，基部楔形，稍下延，全缘或上半部叶缘具疏浅锯齿；侧脉6-7对，两面均明显。花两性，辐射对称，总状花序腋生，长8-20cm，有时花序轴和花梗初被白色短毛，后渐无毛，花梗常双生；苞片三角形，长约1mm；花被管长1-1.2cm，白色或浅黄色；花药椭圆形；腺体4，有时连生呈4深裂的花盘；子房无毛。坚果椭圆形，长1-1.5cm，直径达1cm，蓝黑色或黑色。花期6-10月，果期11月到翌年3月。
The Small-fruited Longan, also known as the Vietnamese Longan, Black Grey Tree, and Sheep Dung Fruit, is a tall tree, reaching 4-20m in height. The bark is gray-brown or dark brown. The leaves are alternate, thin leathery or papery; petioles are 0.5-1.5cm long; leaf blades are oblong, ovate-elliptic, elliptic, or lanceolate, 5-15cm long, 2.5-5cm wide, with a shortly acuminate or obtuse apex, cuneate base, slightly decurrent, with entire margins or sparsely shallow serrations in the upper half; 6-7 pairs of lateral veins are prominent on both surfaces. The flowers are bisexual, radially symmetrical, in axillary racemes, 8-20cm long, sometimes with white short hairs on the rachis and pedicels at first, later becoming glabrous, with pedicels often paired; bracts are triangular, about 1mm long; the corolla tube is 1-1.2cm long, white or pale yellow; anthers are elliptic; 4 glands, sometimes connate into a 4-lobed disc; ovary is glabrous. The fruit is ellipsoidal, 1-1.5cm long, up to 1cm in diameter, blue-black or black. It flowers from June to October and fruits from November to March of the following year.

分布区域 Distribution Area

分布于华南及浙江、江西、福建、台湾、湖北、湖南、四川、云南等地。
Distributed in southern China, as well as Zhejiang, Jiangxi, Fujian, Taiwan, Hubei, Hunan, Sichuan, Yunnan, and other regions.

生长环境 Growing Environment

生于海拔20-1300m的丘陵或山地湿润常绿阔叶林中。
Born in hilly or mountainous humid evergreen broad-leaved forests at an altitude of 20-1300 meters.