金叶子，中药名。为杜鹃花科植物云南金叶子CraibiodendronyunnanenseW．W．Smith的叶。云南金叶子又名云南泡花树、云南假木荷《中国高等植物图鉴》，马虱子草、云南克檑木《云南中草药》，细叶子(云南)，假吊钟(广西)。生于海拔1200-3200m的灌木丛中或疏林内。分布于广西、云南、西藏，主产于云南。具有祛风活血，通络止痛之功效。主治风湿痹痛，半身不遂，跌打损伤。
Jin-ye-zi, name of Chinese Medicinal Material. the leaves of Craibiodendron yunnanense W.W. Smith, a plant of the Ericaceae family. Also known as Yunnan paohua tree, Yunnan false magnolia in "Flora of China," mashezi grass, Yunnan keleimu in "Yunnan Chinese Herbal Medicine," and Xie-ye-zi (Yunnan) and Jia diaozhong (Guangxi). It grows in shrubs or sparse forests at an altitude of 1200-3200 meters, and is distributed in Guangxi, Yunnan, and Tibet, with Yunnan being the main producing area. It is known for its efficacy in dispelling wind, promoting blood circulation, dredging collaterals, and relieving pain. It is commonly used to treat rheumatic arthralgia, hemiplegia, and traumatic injuries.

功效作用 Efficacy and Functions

祛风活血，通络止痛。
Dispelling wind and promoting blood circulation, dredging meridians and relieving pain.

主治 Indications

主治风湿痹痛，半身不遂，跌打损伤。
Specializes in treating rheumatic pain, hemiplegia, and injuries from falls.

1.《云南中草药》：“发表温经，活络止痛。主治跌打损伤，风湿麻木，外感风寒。”

1. "Yunnan Traditional Chinese Medicine": "Disperses cold and warms the meridians, promotes blood circulation, and relieves pain. Used to treat injuries from falls, rheumatism, numbness, and external wind-cold invasion."

2.《全国中草药汇编》：“散瘀止痛，祛风除湿，止血通窍。主治跌打损伤，外伤性昏迷，扭挫伤，腰腿痛，半身不遂，瘫痪，风湿性关节炎，外伤出血，骨折。”
2. "National Compilation of Traditional Chinese Medicine": "Dispels blood stasis, relieves pain, expels wind and dampness, stops bleeding, and clears the orifices. Used to treat injuries from falls, traumatic unconsciousness, sprains, lumbar and leg pain, hemiplegia, paralysis, rheumatoid arthritis, bleeding from injuries, and fractures."

用法用量 Dosage and Administration

内服：研末0.3g；或煎汤，每次用叶1片。外用：适量，研末敷。
Internal use: 0.3g of powdered medicine; or decoct in water, using 1 leaf each time. External use: apply an appropriate amount of powdered medicine.

注意事项 Precautions

本品有大毒，用量应严格掌握。孕妇及体弱者禁服。
This product is highly toxic, and the dosage should be strictly controlled. It is prohibited for pregnant women and those who are weak.

《云南中草药》:“忌豆类、鱼腥、羊肉、酸冷。孕妇及体弱者忌服。中毒用酸汤解。”
"Yunnan Traditional Chinese Medicine": "Avoid beans, fishy foods, lamb, and cold and sour foods. Pregnant women and those who are weak should avoid taking it. In case of poisoning, use sour soup as an antidote."

《新华本草纲要》：“有大毒，每服不得超过0.3g。”
"Compendium of Materia Medica": "It is highly toxic, and each dose should not exceed 0.3g."

临床应用 Clinical Applications

1. 治骨折，跌打损伤，瘫痪：(云南假木荷)干粉0.3g，酒或开水吞服。(《云南中草药选》)

2. For treating fractures, bruises, and paralysis: (Yunnan False Daisy) 0.3g of dried powder, swallow with wine or boiled water. (Selected Yunnan Chinese Herbal Medicine)

3. 治跌打损伤，风湿麻木，外感风寒：金叶子叶1片，水煎服；或研末，每次0.3g，开水送服。(《云南中草药》)

4. For treating bruises, rheumatic numbness, and external wind-cold invasion: 1 leaf of Jin Ye Zi, decoct in water and take orally; or grind into powder, take 0.3g each time, swallow with boiled water. (Yunnan Chinese Herbal Medicine)

加工炮制 Processing and Preparation

采收加工：夏季至冬季采收，晒干。
Harvest from summer to winter, then dry in the sun.

药材鉴别 Medicinal Material Identification

药材性状：叶稍卷缩或折叠，完整叶片展平后呈椭圆状披针形，长5-9cm，宽2-4cm。先端渐尖或较钝，基部楔形。上面亮绿色，下面淡绿色并有少数黑色细腺点。叶柄长2-3mm。质脆易碎。
The leaves are slightly curled or folded, and when fully expanded, they are elliptical lanceolate in shape, 5-9cm long and 2-4cm wide. The apex is gradually pointed or somewhat blunt, and the base is wedge-shaped. The upper surface is bright green, the lower surface is light green with a few black glandular dots. The petiole is 2-3mm long. The texture is brittle and fragile.

植物学信息 Botanical Information

植物种属：杜鹃花科植物云南金叶子。
Rhododendron yunnanense, a plant in the Ericaceae family.

形态特征 Morphological Characteristics

云南金叶子，又名：云南泡花树、云南假木荷（《中国高等植物图鉴》），马虱子草、云南克檑木（《云南中草药》），细叶子（云南），假吊钟（广西）。常绿小乔木，高3-7m。小枝粗，无毛，灰褐色。单叶互生；叶柄短；叶片革质，长椭圆状披针形，长6-9cm，宽2-4cm，先端渐尖，顶端近钝头，基部宽楔形，全缘，表面亮绿色，背面淡绿色并疏生黑褐色腺点，中脉在表面下陷，背面隆起，侧脉、网脉在两面均可见。圆锥花序顶生或腋生，长15-25cm，多花，花梗粗壮，基部有1苞片，中部具1小苞片；花萼5深裂，裂片宽卵形；花冠钟形，淡黄白色，口部缢缩，浅裂为三角形齿状；雄蕊10，花丝长为花冠的一半，被微毛，中部变曲；花柱长约1mm，无毛。蒴果扁球形，具5棱。种子小，单侧有翅。花期4-7月，果期7-10月。
Yunnan Golden Leaf, also known as Yunnan Bubble Flower Tree, Yunnan False Magnolia ("Illustrated Handbook of Chinese Higher Plants"), Horse Louse Grass, Yunnan Kekemuo ("Yunnan Chinese Herbal Medicine"), Fine Leaf (Yunnan), False Hoya (Guangxi). It is an evergreen small tree, 3-7m tall. The small branches are thick, hairless, and gray-brown. The leaves are alternate; petioles are short; leaf blades are leathery, long elliptic lanceolate, 6-9cm long, 2-4cm wide, gradually pointed at the tip, nearly obtuse at the apex, broadly wedge-shaped at the base, with entire margins, shiny green on the surface, pale green on the back with sparse black-brown glandular dots, the midrib is sunken on the upper surface and raised on the back, lateral veins and reticulate veins are visible on both sides. The cone-shaped inflorescences are terminal or axillary, 15-25cm long, with many flowers, stout flower stalks, 1 bract at the base, and 1 small bract in the middle; the calyx is deeply 5-lobed, lobes broadly ovate; the corolla is bell-shaped, pale yellow-white, with a constricted mouth, shallowly lobed into triangular teeth; there are 10 stamens, filaments are half the length of the corolla, with fine hairs, and they bend in the middle; the style is about 1mm long, hairless. The capsule is flattened and spherical, with 5 edges. The seeds are small, with a wing on one side. It flowers from April to July and fruits from July to October.

分布区域 Distribution Area

分布于广西、云南、西藏，主产于云南。
Distributed in Guangxi, Yunnan, and Tibet, with Yunnan being the main producer.

生长环境 Growing Environment

生于海拔1200-3200m的灌木丛中或疏林内。
Born in shrubs or sparse forests at an altitude of 1200-3200 meters.