三叶海棠，中药名。为蔷薇科植物三叶海棠Malussieboldii(Regal)Rehd.[PyrussieboldiiRege]的果实。分布于辽宁、陕西、甘肃、山东、浙江、江西、福建、湖北、湖南、广东、广西、四川、贵州等地。具有消食健胃之功效。常用于饮食积滞。
San-ye-hai-tang, name of Chinese Medicinal Material. It refers to the fruit of Malus sieboldii (Regal) Rehd. [Pyrus sieboldii Rege], a plant in the Rosaceae family. It is distributed in Liaoning, Shaanxi, Gansu, Shandong, Zhejiang, Jiangxi, Fujian, Hubei, Hunan, Guangdong, Guangxi, Sichuan, Guizhou, and other regions. It is known for its function of promoting digestion and invigorating the stomach, and is commonly used for food stagnation.

功效作用 功能
The efficacy and functions.

消食健胃。主治
Promote digestion and strengthen the stomach. Mainly used for治疗.

用于饮食积滞。用法用量
Used for food stagnation. Dosage and administration.

内服：煎汤，6-12g。相关论述
Oral administration: Decoction, 6-12g. Relevant discussion.

《新华本草纲要》：“果：代山楂用。”加工炮制 采收加工
"Compendium of Materia Medica": "Fruit: can be used as a substitute for hawthorn." Processing and preparation: harvesting and processing.

8-9月果实成熟时采摘，鲜用或晒干。药材鉴别 药材性状
The fruits are harvested when they ripen from August to September, and can be used fresh or dried. Medicinal material identification and properties.

本品近球形，直径6-8mm，红色或褐黄色，萼片脱落；果梗长5-3cm。气微，味酸微甜。植物学信息 植物种属
This product is nearly spherical, with a diameter of 6-8mm, and is red or brownish-yellow in color. The sepals fall off, and the fruit stalk is 5-3cm long. It has a slight aroma and a mildly sweet and sour taste. Botanical information: Plant species.

蔷薇科植物三叶海棠。形态特征
The plant belongs to the Rosaceae family and is known as the three-leafed sea hibiscus. It has the following morphological characteristics: [Please provide the specific characteristics for translation]

三叶海棠，又名山茶果、野黄子、山楂子。灌木，高约2-6m。小枝稍有棱角，暗紫色或紫褐色。叶互生；叶柄长1-2.5cm，有短柔毛；托叶狭披针形，全缘；叶片椭圆形、长椭圆形或卵形，长3-7.5cm，宽2-4cm，先端急尖，基部圆形或宽楔形，边缘有尖锐锯齿，常3，稀5浅裂，下面沿中肋及侧脉有短柔毛。花两性；花4-8朵，集生于小枝顶端，花梗长2-2.5cm，有柔毛或近于无毛；苞片线状披针形，早落；萼片5，三角状卵形；花瓣红色，长椭圆状倒卵形，直径2-3cm，基部有短爪；雄蕊20，花丝长短不等，约等于花瓣之半；花柱3-5，基部有长柔毛。梨果近球形，直径6-8mm，红色或褐色，萼裂片脱落；果梗长2-3cm。花期4-5月，果期8-9月。分布区域
The three-leafed sea hibiscus, also known as camellia fruit, wild yellow fruit, and hawthorn fruit, is a shrub that grows to about 2-6 meters in height. Its small branches are slightly angular, and are dark purple or purplish-brown in color. The leaves are alternate; the petiole is 1-2.5cm long, with short soft hairs; the stipules are narrowly lanceolate with entire margins; the leaf blade is elliptic, oblong-elliptic, or ovate, 3-7.5cm long and 2-4cm wide, with an acute apex, rounded or broadly cuneate base, and sharp serrations along the margin, often with 3, rarely 5 shallow lobes, and short soft hairs along the midrib and veins on the lower surface. The flowers are bisexual; 4-8 flowers are clustered at the top of the small branches, with flower stalks 2-2.5cm long, with soft hairs or nearly hairless; the bracts are linear-lanceolate and early falling; the sepals are 5, triangular-ovate; the petals are red, oblong-ovate to obovate, 2-3cm in diameter, with short claws at the base; there are 20 stamens, with unequal length of filaments, about half the length of the petals; the pistils are 3-5, with long soft hairs at the base. The fruit is nearly spherical, 6-8mm in diameter, red or brown, with the sepals falling off; the fruit stalk is 2-3cm long. The flowering period is from April to May, and the fruiting period is from August to September. This plant is distributed in... (the distribution area is not provided in the original text).

分布于辽宁、陕西、甘肃、山东、浙江、江西、福建、湖北、湖南、广东、广西、四川、贵州等地。生长环境
Distributed in Liaoning, Shaanxi, Gansu, Shandong, Zhejiang, Jiangxi, Fujian, Hubei, Hunan, Guangdong, Guangxi, Sichuan, Guizhou and other regions. Growing environment

生于海拔150-2000m的山坡杂木林或灌木丛中。
It grows in mixed deciduous forests or shrubs on slopes at an altitude of 150-2000 meters.