青海马尾连，中药名。为毛茛科植物长柄唐松草ThalictrumprzewalskiiMaxim.[T.rockiiBoivin]的根和根茎。分布于内蒙古、河北、山西、陕西、甘肃、青海、河南、四川、西藏。具有清热燥湿，泻火解毒之功效。常用于痢疾，肠炎，黄疸，肝炎，目赤肿痛。
Qing-hai-ma-yi-lian, name of Chinese Medicinal Material. the root and rhizome of Thalictrum przewalskii Maxim. [T. rockii Boivin], a plant of the Ranunculaceae family, is distributed in Inner Mongolia, Hebei, Shanxi, Shaanxi, Gansu, Qinghai, Henan, Sichuan, and Tibet. It is known for its functions of clearing heat, drying dampness, purging fire, and detoxification. It is commonly used for dysentery, enteritis, jaundice, hepatitis, and redness and swelling of the eyes.

功效作用 功能
Efficacy, function.

清热燥湿，泻火解毒。主治
Clearing heat, drying dampness, purging fire, and detoxifying. Mainly used for治疗。

用于痢疾，肠炎，黄疸，肝炎，目赤肿痛。用法用量
Indicated for dysentery, enteritis, jaundice, hepatitis, and red, swollen, and painful eyes. Dosage and administration.

内服：煎汤，3-9g。注意事项
Internal administration: Decoction, 3-9g. Precautions.

脾胃虚寒者慎服。相关论述
Those with Spleen and Stomach deficiency and cold should be cautious when taking this. Can you provide more context or details for a more accurate translation?

《新华本草纲要》：“根：祛风。”加工炮制 采收加工
"Compendium of Materia Medica": "Root: Expel wind." Processing method: collection and processing.

全年均可采收，洗净泥土，晒干。药材鉴别 药材性状
Harvest can be done all year round, wash off the soil, and sun dry. Medicinal material identification and characteristics of medicinal materials.

根茎由数个结节连生。细根数十条密生于根茎下，长5-10cm，直径0.5-1.5mm；表面灰棕色；质较软，断面纤维性。气浓，味甜。植物学信息 植物种属
The rhizome consists of several nodes growing together. Dozens of fine roots densely grow under the rhizome, each measuring 5-10cm in length and 0.5-1.5mm in diameter. They are grayish-brown on the surface, relatively soft in texture, and fibrous in cross-section. The scent is strong, and the taste is sweet. Botanical information about the plant species.

毛茛科植物长柄唐松草。形态特征
The Ranunculaceae plant is the long-stemmed buttercup. Morphological characteristics.

长柄唐松草，又名甘青唐松草，直梗白蓬草。多年生草本，高50-120cm。茎直立，有分枝，无毛。叶互生；叶柄长约6cm，基部具鞘；托叶膜质，半圆形，边缘不规则开裂；基生叶和近基部的茎生叶在开花时枯萎；叶为三至四回三出复叶；叶片长达28cm，小叶薄草质，卵形、菱状椭圆形、倒卵形或近圆形，长1-3cm，宽0.9-2.5cm，先端钝或圆形，基部圆形、浅心形或宽楔形，3裂常达中部，有粗齿，下面脉稍隆起，有短毛。圆锥花序多分权，无毛；花两性，花梗长3-5mm；萼片4，花瓣状，狭卵形，长2.5-5mm，宽约1.5mm，白色或稍带黄绿色，早落；花瓣无；雄蕊多数，长4.5-10mm，花丝上部与花药近等宽，下部丝状，花药长圆形，长约0.8mm；心皮4-9，有柄，花柱与子房近等长。瘦果斜倒卵形，稍扁，长5-9mm，有4条纵肋，果柄长0.8-3mm，宿存花柱长约1mm。花期6-8月，果期7-9月。分布区域
Longstalk Chinese sage, also known as Ganqing Chinese sage, straight-stemmed white mugwort. It is a perennial herb, 50-120cm tall. The stem is erect, branched, and hairless. The leaves are alternate; leaf stalks are about 6cm long, with sheaths at the base; stipules membranous, semi-circular, irregularly lobed at the edges; basal leaves and stem leaves near the base wither when flowering; leaves are ternately or quaternately compound; leaflets up to 28cm long, thin and membranous, ovate, rhombic-elliptic, obovate, or nearly circular, 1-3cm long, 0.9-2.5cm wide, obtuse or rounded at the apex, rounded, shallowly cordate, or broadly cuneate at the base, often 3-lobed towards the middle, with coarse teeth, slightly raised veins on the underside, and short hairs. Cone-shaped inflorescences are highly branched, hairless; flowers are bisexual, with flower stalks 3-5mm long; sepals 4, petal-like, narrowly ovate, 2.5-5mm long, about 1.5mm wide, white or slightly yellowish-green, early falling off; no petals; numerous stamens, 4.5-10mm long, with filaments nearly as wide as anthers at the upper part, filiform at the lower part, anthers oblong, about 0.8mm long; ovaries 4-9, stalked, with styles nearly as long as the ovary. The fruit is obliquely ovoid, slightly flattened, 5-9mm long, with 4 longitudinal ribs, fruit stalk 0.8-3mm long, persistent style about 1mm long. Flowering occurs from June to August, and fruiting from July to September. Distribution area.

分布于内蒙古、河北、山西、陕西、甘肃、青海、河南、四川、西藏。生长环境
Distributed in Inner Mongolia, Hebei, Shanxi, Shaanxi, Gansu, Qinghai, Henan, Sichuan, and Tibet. Growing environment.

生于海拔750-3500m的山地灌木丛边、林下或草地。
It grows on the edge of mountain shrubs, under the forest, or in grasslands at an altitude of 750-3500 meters.