大狼把草，中药名。为菊科植物大狼把草BidensfrondosaL.的全草。分布于上海近郊。具有补虚清热之功效。常用于体虚乏力，盗汗，咯血，小儿疳积，痢疾。
Da-lang-ba-cao, name of Chinese Medicinal Material. s the whole plant of Bidens frondosa L., a member of the Asteraceae family, and is distributed in the outskirts of Shanghai. It has the functions of nourishing deficiency and clearing heat, and is commonly used for physical weakness, night sweats, hemoptysis, pediatric malnutrition, and dysentery.

功效作用 Efficacy and Functions

补虚清热。
Tonify deficiency and clear heat.

主治 Indications

用于体虚乏力，盗汗，咯血，小儿疳积，痢疾。
Used for physical weakness, night sweats, coughing up blood, pediatric malnutrition, and dysentery.

用法用量 Dosage and Administration

内服：煎汤，15-30g。
Internal administration: Decoction, 15-30g.

相关论述 Relevant Discussion

《上海常用中草药》：“强壮，清热解毒。”
"Commonly Used Chinese Medicinal Herbs in Shanghai": "Strengthen the body, clear heat, and detoxify."

加工炮制 Processing and Preparation

采收加工：6-9月采收，洗净，切断，晒干。
Harvest from June to September, wash, cut, and dry.

药材鉴别 Medicinal Material Identification

药材性状：茎暗紫色。叶对生，完整叶展开后为一回羽状复叶，小叶披针形，叶缘具粗锯齿。头状花序单生于茎、枝端；总苞钟状或半球形；苞片叶状，边缘具缘毛；花冠先端5裂。味苦。
Stems are dark purple. Leaves are opposite; when fully spread, the leaves form a once-pinnate compound leaf with lanceolate leaflets and coarsely serrated margins. The capitulum is solitary at the apex of stems or branches; the involucre is campanulate or hemispherical; bracts are leaf-like with ciliate margins; the corolla is 5-lobed at the apex. It has a bitter taste.

植物学信息 Botanical Information

植物种属：菊科植物大狼把草。
Chrysanthemum indicum is a plant of the Asteraceae family.

形态特征 Morphological Characteristics

一年生草本，高达120cm，茎直立，分枝，常带紫色，被疏毛或无毛。叶对生；具柄；一回羽状复叶，小叶3-5枚，披针形，长3-10cm，宽1-3cm，先端渐尖，边缘有粗锯齿，通常背面被稀疏短柔毛，至少顶生者具明显的柄。头状花序单生，连同总苞苞片直径12-15mm，高约12mm；总苞钟状或半球形，外层苞片5-10枚，通常8枚，披针形或匙状倒披针形，叶状，边缘具缘毛，内层苞片长圆形，具淡黄色边缘，舌状花不发育，极不明显，筒状花两性，花冠冠檐5裂。瘦果扁平，狭楔形，长5-10mm，先端芒剌2枚，有侧刺毛。花、果期8-10月。
It is an annual herbaceous plant, reaching up to 120cm in height, with an erect stem, branching, often with a purple color, sparsely hairy or hairless. The leaves are opposite, with petioles, once pinnate compound leaves, with 3-5 leaflets, lanceolate, 3-10cm long, 1-3cm wide, gradually pointed at the apex, with coarse serrations on the margin, usually sparsely short pubescent on the back, and at least the uppermost leaflets have obvious petioles. The capitulum is solitary, along with the involucre, with a diameter of 12-15mm and a height of about 12mm; the involucre is campanulate or hemispherical, with 5-10 outer bracts, usually 8, lanceolate or spatulate-lanceolate, leaf-like, with ciliate margins, and inner bracts are oblong, with pale yellow margins, ligulate flowers are not developed, extremely inconspicuous, tubular flowers are bisexual, and the corolla has 5 lobes. The achene is compressed, narrowly wedge-shaped, 5-10mm long, with two awns at the apex and lateral prickles. The flowering and fruiting period is from August to October.

生长环境 Growing Environment

生于田野湿润处。上海近郊有野生。原产北美。
Born in moist fields. Wild in the vicinity of Shanghai. Originally from North America.