羊舌树，中药名。为山矾科植物羊舌树Symplocosglauca(Thunb.)Koidz.的树皮。分布于浙江、福建、台湾、广东、广西、云南等地。具有清热解毒之功效。常用于感冒头痛，口燥，身热。
Yang-she-shu, name of Chinese Medicinal Material. Symplocos glauca) is the bark of the plant Symplocos glauca (Thunb.) Koidz. of the family Symplocaceae. It is distributed in Zhejiang, Fujian, Taiwan, Guangdong, Guangxi, Yunnan, and other places. It is known for its efficacy in clearing heat and detoxification. It is commonly used for colds, headaches, dry mouth, and fever.

功效作用 Efficacy and Functions

清热解毒。
Clearing heat and detoxifying.

主治 Indications

感冒头痛，口燥，身热。
The symptoms of cold such as headache, dry mouth, and body heat.

用法用量 Dosage and Administration

内服：煎汤，9-15g。
Internal use: Decoction, 9-15g.

加工炮制 Processing and Preparation

采收加工：夏、秋季采收，剥取树皮，晒干。
Harvest in summer and autumn, peel the bark, and dry it in the sun.

植物学信息 Botanical Information

植物种属：山矾科植物羊舌树。
The plant belongs to the Symplocos genus of the Symplocaceae family, known as the goat's tongue tree.

形态特征 Morphological Characteristics

羊舌树，又名粉叶山矾。乔木；芽、嫩枝、花序均密被褐色短绒毛，小枝褐色。叶常簇生于小枝上端，叶片狭椭圆形或倒披针形，长6-15厘米，宽2-4厘米，先端急尖或短渐尖，基部楔形，全缘，叶背通常苍白色，干后变褐色；中脉在叶面凹下，侧脉和网脉在叶面凸起，侧脉每边5-12条，在近叶缘处分叉网结；叶柄长1-3厘米。穗状花序基部通常分枝，长1-1.5厘米，在花蕾时常呈团伞状；苞片阔卵形，长约2毫米，被褐色短绒毛；花萼长约3毫米，裂片卵形，被褐色短绒毛，约与萼筒等长，萼筒无毛；花冠长4-5毫米，5深裂几达基部，裂片椭圆形，顶端圆；雄蕊30-40枚，花丝细长，基部稍合生；花盘环状，无毛；子房3室。核果狭卵形，长1.5-2厘米，近顶端狭，宿萼裂片直立；核具浅纵棱。花期4-8月，果期8-10月。
The sheep tongue tree, also known as the powder-leaf sumac, is a tall tree with buds, young branches, and inflorescences densely covered with brown short hairs, and its small branches are brown. The leaves are usually clustered at the upper end of the small branches, with narrow elliptic or lanceolate leaf blades, 6-15 cm long and 2-4 cm wide, abruptly pointed or shortly acuminate at the apex, and cuneate at the base, with entire margins. The back of the leaves is usually pale, turning brown when dry; the midvein is concave on the leaf surface, while the lateral veins and reticulate veins are raised on the leaf surface, with 5-12 lateral veins on each side, and branching into a net near the leaf margin; the petiole is 1-3 cm long. The base of the spike-like inflorescence usually branches, 1-1.5 cm long, and often umbellate in bud; the bracts are broadly ovate, about 2 mm long, covered with brown short hairs; the calyx is about 3 mm long, with ovate lobes covered with brown short hairs, about the same length as the calyx tube, which is hairless; the corolla is 4-5 mm long, deeply 5-lobed, with elliptic lobes and a rounded apex; there are 30-40 stamens, with slender filaments, and the base is slightly connate; the disc is annular and hairless; the ovary has 3 chambers. The fruit is narrowly ovoid, 1.5-2 cm long, narrow near the apex, with erect persistent calyx lobes; the nut has shallow longitudinal ridges. It flowers from April to August and fruits from August to October.

分布区域 Distribution Area

分布于浙江、福建、台湾、广东、广西、云南等地。
Distributed in Zhejiang, Fujian, Taiwan, Guangdong, Guangxi, Yunnan and other regions.

生长环境 Growing Environment

生于海拔600-1600m的林间。
Born in forests at an altitude of 600-1600 meters.