金珠柳，中药名。为紫金牛科植物金珠柳MaesamontanaA.DC.的叶或根。分布于西南至台湾各地。具有清湿热的功效。主治痢疾，泄泻。
Jin-zhu-liu, name of Chinese Medicinal Material. It refers to the leaves or roots of Maesa montana A.DC., a plant of the Myrsinaceae family, distributed in various regions from the southwest to Taiwan. It has the function of clearing damp-heat and is mainly used to treat dysentery and diarrhea.

功效作用 Efficacy and Functions

清湿热。
Clearing damp-heat.

主治 Indications

痢疾，泄泻。
Dysentery and diarrhea.

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：全年均可采收，洗净，切段，晒干。
Harvested all year round, washed, cut into sections, and dried in the sun.

植物学信息 Botanical Information

植物种属：紫金牛科植物金珠柳。
The plant Jinzhuliu (Ardisia quinquegona) belongs to the family Primulaceae (formerly Myrsinaceae, often referred to as the purple-golden cattle family).

形态特征 Morphological Characteristics

金珠柳，又名山地杜茎山（《中国高等植物图鉴》）。灌木或小乔木，高2-3m，稀达10m。小枝圆柱形，通常被疏长硬毛或柔毛。叶互生；叶柄长1-1.5cm；叶片坚纸质，长圆状披针形或卵形，长7-14cm，宽3-7cm，先端急尖或渐尖，基部楔形或钝，边缘具粗锯齿或疏波状齿，齿尖具腺点，背面有时被疏硬毛，尤以脉上常见；中脉隆起，侧脉8-12对，尾端直达齿尖，通常无脉状腺条纹。总状花序或圆锥花序，常于基部分枝，腋生，长2-7cm，被疏硬毛，尤以苞片为多；苞片披针形，长约1mm；花梗长1-2mm；小苞片披针形或卵形，着生于萼基部；花长约2mm；萼片卵形或长圆状卵形，与萼管等长，有时具缘毛；花冠白色，钟形，具脉状腺条纹，裂片与花冠管等长或略长，卵形，全缘或具微波状齿；雄蕊着生于花冠管中部，内藏，花丝与花药等长，花药圆形或肾形；雌蕊不超过雄蕊，柱头微裂或半裂。
Jinzhuliu, also known as Shandi Du Jing Shan in Illustrated Handbook of Chinese Higher Plants. It is a shrub or small tree, 2–3 m tall, rarely up to 10 m. The twigs are cylindrical, usually sparsely covered with long stiff hairs or soft hairs. Leaves are alternate; petiole 1–1.5 cm long; blade stiffly papery, oblong-lanceolate or ovate, 7–14 cm long, 3–7 cm wide, acute or acuminate at apex, cuneate or obtuse at base, margin coarsely serrate or sparsely undulate, teeth tipped with glands, sometimes sparsely hairy beneath, especially along veins; midrib prominent, lateral veins 8–12 pairs, extending directly to tooth tips, usually without vein-like glandular stripes. Inflorescence racemose or corymbose, often branched at base, axillary, 2–7 cm long, sparsely hairy, especially on bracts; bracts lanceolate, ca. 1 mm long; pedicel 1–2 mm long; bracteoles lanceolate or ovate, attached at base of calyx; flower ca. 2 mm long; sepals ovate or oblong-ovate, equaling calyx tube, sometimes with ciliate margins; corolla white, campanulate, with vein-like glandular stripes, lobes equaling or slightly longer than corolla tube, ovate, entire or minutely undulate; stamens inserted at middle of corolla tube, included, filaments as long as anthers, which are circular or reniform; pistil not exceeding stamens, stigma slightly or partially lobed.

果球形或近椭圆形，直径约3mm，幼时褐红色，成熟后白色，多少具脉状腺条纹，宿存萼包果达中部略上，即果的2/3处。花期2-4月，果期10-12月。
The fruit is globose or nearly ellipsoid, about 3 mm in diameter, reddish-brown when young, turning white when ripe, bearing more or less vein-like glandular stripes; persistent calyx envelops the fruit up to slightly above the middle, covering about two-thirds of the fruit. Flowering period is from February to April, fruiting period from October to December.

分布区域 Distribution Area

分布于西南至台湾各地。
Distributed from southwestern China to Taiwan.

生长环境 Growing Environment

生于海拔400-2800m的山间杂木林下或疏林下。
Grows under mixed broad-leaved forests or open woodlands at altitudes of 400–2800 meters.