三叶枫，中药名。为五加科植物异叶梁王茶Nothopanaxdavidii(Franch.)Harms的根。分布于陕西（太白山）、湖北（兴山、巴东、利川、建始）、湖南（石门）、四川（天全、宝兴、木里、大凉山、屏山、金佛山）、贵州（贵阳、梵净山）、云南（贡山、泸水、勐腊、屏边、镇雄）。具有祛风湿，活血脉之功效。常用于风湿痹痛，跌打损伤及劳伤腰痛。
San-ye-feng, name of Chinese Medicinal Material. the root of Nothopanax davidii (Franch.) Harms, a plant of the Araliaceae family. It is distributed in Shaanxi (Taibai Mountain), Hubei (Xingshan, Badong, Lichuan, and Jianshi), Hunan (Shimen), Sichuan (Tianquan, Baoxing, Muli, Daliang Mountain, Pingshan, and Jinfo Mountain), Guizhou (Guiyang, Fanjing Mountain), Yunnan (Gongshan, Lushui, Mengla, Pingbian, and Zhenxiong). It has the functions of dispelling wind and dampness, and promoting blood circulation. It is commonly used for rheumatic pain, bruises, and lumbar strain caused by injuries or overexertion.

功效作用 Efficacy and Functions

祛风湿，活血脉。
Dispelling dampness and wind, promoting blood circulation.

主治 Indications

用于风湿痹痛，跌打损伤及劳伤腰痛。
Used for rheumatic pain, bruises, sprains, and lower back pain caused by overwork.

用法用量 Dosage and Administration

15-20克。水煎服。
15-20 grams. Decoction for oral administration.

临床应用 Clinical Applications

1、治风湿痹痛：三叶枫、桂皮、赤芍、过墙风、筋骨草、大血藤、樟树根、何首乌、牛膝、炮姜、石菖蒲、松节各三钱，泡酒服。

1. Treatment for rheumatic pain: Three leaves maple, cinnamon, red peony, vitex, achyranthes, large blood vine, camphor tree root, polygonum multiflorum, achyranthes bidentata, ginger, acorus calamus, and pine knot, each three qian, soaked in liquor for consumption.

2、治跌打损伤：三叶枫、茜草根、红牛膝、红泽兰、刘寄奴、野红花、钮子七、红毛七、一点血各三钱，泡酒服。
2. Treatment for bruises and injuries: Three leaves maple, madder root, red achyranthes, red ze lan, liu ji nu, wild safflower, fructus viticis, red hairy seven, and a little blood, each three qian, soaked in liquor for consumption.

3、治劳伤腰痛：三叶枫、土人参、当归、狗脊、杜仲、土巴戟、补骨脂、枸杞、续断、桑寄生各三钱，泡酒服。（1-3方出自《万县中草药》）
3. Treatment for lumbar pain due to overwork: Three leaves maple, rehmannia, angelica sinensis, cibotium barometz, eucommia, radix morindae officinalis, psoralea corylifolia, goji berry, achyranthes, and taxillus chinensis, each three qian, soaked in liquor for consumption. (The above prescriptions are from "Herbal Medicine in Wan County")

加工炮制 Processing and Preparation

采收加工：秋季采挖，取根皮晒干。
Harvesting and processing: In autumn, the roots are harvested and the bark is dried in the sun.

植物学信息 Botanical Information

植物种属：五加科植物异叶梁王茶。
Plant species: Plant of the Araliaceae family, named Ilex kudingcha.

形态特征 Morphological Characteristics

异叶梁王茶：又名：梁王茶、大卫梁王茶。灌木或乔木，高2-12米。叶为单叶，稀在同一枝上有3小叶的掌状复叶；叶柄长5-20厘米；叶片薄革质至厚革质，长圆状卵形至长圆状披针形，或三角形至卵状三角形，不分裂、掌状2-3浅裂或深裂，长6-21厘米，宽2.5-7厘米，先端长渐尖，基部阔楔形或圆形，有主脉3条，上面深绿色，有光泽，下面淡绿色，两面均无毛，边缘疏生细锯齿，有时为锐尖锯齿，侧脉6-8对，上面明显，下面不明显，网脉不明显；小叶片披针形，几无小叶柄。圆锥花序顶生，长达20厘米；伞形花序直径约2厘米，有花10余朵；总花梗长1.5-2厘米；花梗有关节，长7-10毫米；花白色或淡黄色，芳香；萼无毛，长约1.5毫米，边缘有5小齿；花瓣5，三角状卵形，长约1.5毫米；雄蕊5，花丝长约1.5毫米；子房2室，花盘稍隆起；花柱2，合生至中部，上部离生，反曲。果实球形，侧扁，直径5-6毫米，黑色；宿存花柱长1.5-2毫米。花期6-8月，果期9-11月。
Liangwang Tea: also known as: Liangwang Tea, David Liangwang Tea. Shrub or small tree, 2-12 meters tall. The leaves are simple, rarely with 3 small leaves in a palmate compound leaf on the same branch; petiole 5-20 cm long; leaf blade thinly leathery to thickly leathery, oblong-ovate to lanceolate, or triangular to ovate-triangular, undivided, palmately 2-3 shallowly lobed or deeply lobed, 6-21 cm long, 2.5-7 cm wide, gradually pointed at the apex, broadly cuneate or rounded at the base, with 3 main veins, dark green and glossy on the upper surface, pale green on the lower surface, both surfaces glabrous, margin sparsely serrate, sometimes sharply serrate, 6-8 pairs of lateral veins, prominent on the upper surface, inconspicuous on the lower surface, reticulate veins inconspicuous; leaflets lanceolate, nearly sessile. Cone-shaped inflorescences terminal, up to 20 cm long; umbel inflorescences about 2 cm in diameter, with over 10 flowers; peduncle 1.5-2 cm long; pedicel jointed, 7-10 mm long; flowers white or pale yellow, fragrant; calyx glabrous, about 1.5 mm long, with 5 small teeth on the margin; petals 5, triangular-ovate, about 1.5 mm long; stamens 5, filaments about 1.5 mm long; ovary 2-loculed, with a slightly raised floral disc; styles 2, connate at the base to the middle, free at the upper part, recurved. Fruit spherical, compressed, 5-6 mm in diameter, black; persistent styles 1.5-2 mm long. Flowering period from June to August, fruiting period from September to November.

分布区域 Distribution Area

分布于陕西（太白山）、湖北（兴山、巴东、利川、建始）、湖南（石门）、四川（天全、宝兴、木里、大凉山、屏山、金佛山）、贵州（贵阳、梵净山）、云南（贡山、泸水、勐腊、屏边、镇雄）。
Distributed in Shaanxi (Mount Taibai), Hubei (Xingshan, Badong, Lichuan, Jianshi), Hunan (Shimen), Sichuan (Tianquan, Baoxing, Muli, Daliangshan, Pingshan, Jinfoshan), Guizhou (Guiyang, Fanjingshan), Yunnan (Gongshan, Lushui, Mengla, Pingbian, Zhenxiong).

生长环境 Growing Environment

生于疏林或阳性灌木林中、林缘，路边和岩石山上也有生长，海拔在湖北、四川和贵州通常分布于800-1800米，在云南则高达2500-3000米。
Born in sparse forests or sunny shrub forests, on the edge of forests, roadsides, and rocky mountains. It usually grows at altitudes of 800-1800 meters in Hubei, Sichuan, and Guizhou, and reaches as high as 2500-3000 meters in Yunnan.