苦油木，中药名。为楝科植物大叶山楝AphanamixisgrandifoliaBl.的根或叶。分布于广东、海南、广西、云南等地。具有祛风止痛之功效。常用于风湿关节肿痛，四肢麻木。
Ku-you-mu, name of Chinese Medicinal Material. Aphanamixis grandifolia Bl.) is the root or leaf of the plant Aphanamixis grandifolia Bl. of the Meliaceae family. It is distributed in Guangdong, Hainan, Guangxi, Yunnan, and other places. It has the function of dispelling wind and relieving pain, and is often used for rheumatic joint swelling and pain, as well as numbness in the limbs.

功效作用 功能
The efficacy and functions.

祛风止痛。主治
Dispel wind and alleviate pain. Mainly used for treating...

风湿关节肿痛，四肢麻木。用法用量
Rheumatic joint swelling and pain, numbness in the limbs. Dosage and usage.

内服：煎汤，6-15g。相关论述
Internal administration: Decoction, 6-15g. Relevant discussion.

《新华本草纲要》：“根、叶：主治风湿病。”加工炮制 采收加工
"Compendium of Materia Medica": "Roots and leaves: used to treat rheumatism." Processing and preparation: collection and processing.

全年均可采。根洗净泥土，切片，晒干；叶，鲜用或晒干。植物学信息 植物种属
Can be harvested all year round. Clean the roots, slice them, and dry them in the sun; the leaves can be used fresh or dried. Botanical information: plant species.

楝科植物大叶山楝.形态特征
The Meliaceae plant has large leaves and a distinctive appearance.

乔木，高达30米。叶通常为奇数羽状复叶，有时为偶数羽状复叶，长20-60（-90）厘米，有小叶11-21片；小叶对生，革质，无毛，长椭圆形，长17-26厘米，宽6-10厘米，先端渐尖而钝，基部一侧圆形，另一侧楔形，偏斜，最下部的小叶较小，卵形，基部圆形，侧脉13-20对，广展，于近边缘处连结；小叶柄粗壮，长约1厘米。花序腋上生，短于叶或长于叶，多少被微柔毛，雄花组成圆锥花序式，广展，雌花和两性花组成穗状花序；花球形，直径6-7毫米；萼片圆形，直径约3毫米，边缘有睫毛或无；花瓣3片，圆形，直径6-7毫米；无毛；雄蕊管球形，厚；花药6枚，长圆形，内藏；花盘缺；子房被毛，无花柱，柱头具3棱。蒴果球状梨形，直径2.5-2.8厘米，无毛；种子黑褐色，扁圆形，长1.3-1.5厘米，宽1-1.2厘米。花期6-8月，果期10月至翌年4月。分布区域
Arbor, reaching up to 30 meters in height. The leaves are usually odd-pinnate, sometimes even-pinnate, 20-60 (-90) centimeters long, with 11-21 leaflets; leaflets are opposite, leathery, hairless, oblong, 17-26 centimeters long, 6-10 centimeters wide, gradually tapering to a blunt apex, with one side of the base being round and the other side being wedge-shaped and inclined, the lowermost leaflets are smaller, ovate, with a round base, 13-20 pairs of lateral veins, spreading widely and joining near the margin; leaflet petioles are stout, about 1 centimeter long. The inflorescences are axillary, shorter or longer than the leaves, somewhat pubescent, with male flowers forming a conical raceme, widely spreading, and female and hermaphrodite flowers forming a spike-like raceme; the flowers are globose, 6-7 millimeters in diameter; sepals are circular, about 3 millimeters in diameter, with or without cilia on the margin; 3 petals, circular, 6-7 millimeters in diameter, hairless; staminal tube is globose and thick; 6 anthers, oblong, enclosed within; no floral disk; ovary is hairy, without a style, with a 3-ridged stigma. The capsule is globose-pear-shaped, 2.5-2.8 centimeters in diameter, hairless; seeds are black-brown, flattened and circular, 1.3-1.5 centimeters long, 1-1.2 centimeters wide. Flowering occurs from June to August, and fruiting occurs from October to April of the following year. Distributed in...

分布于广东、海南、广西、云南等地。生长环境
Distributed in Guangdong, Hainan, Guangxi, Yunnan and other regions. Growing environment.

生于海拔500-1000m的平原和丘陵地区的疏林或灌丛中，有时栽培于村边。
It is born in sparse forests or shrubs in plains and hilly areas at an altitude of 500-1000 meters, and sometimes cultivated on the outskirts of villages.