一品红，中药名。为大戟科大戟属植物一品红EuphorbiapulcherrimaWilld.etKl.的茎叶。原产自墨西哥，我国南北各地均有栽培。在我国的广东、广西及云南地区有露地栽培。具有消瘀，止血，消肿之功效。用于月经过多，跌打瘀肿，外伤出血等证。
Poinsettia., name of Chinese Medicinal Material. he stems and leaves of the plant Euphorbia pulcherrima Willd. et Kl. of the Euphorbiaceae family. It is native to Mexico and is cultivated in various regions in China. It is grown in open fields in Guangdong, Guangxi, and Yunnan provinces in China. It has the effects of promoting blood circulation to remove blood stasis, stopping bleeding, and reducing swelling. It is used for conditions such as excessive menstruation, bruises and swelling, and external bleeding.

功效作用 功能
The efficacy and functions.

消瘀，止血，消肿。主治
Promoting blood circulation to remove blood stasis, stopping bleeding, and reducing swelling. Mainly used for treating...

用于月经过多，跌打瘀肿，外伤出血等证。用法用量
Used for excessive menstruation, bruises and swelling from falls or blows, and bleeding from external injuries. Dosage and administration.

6-9g，外用捣敷。注意事项
6-9g, external use for poultice. Precautions.

叶或植物的浆汁有毒，食之可致呕吐、腹泻、谵妄。药理作用
The juice of the leaves or plants is toxic and can cause vomiting, diarrhea, and delirium if ingested. This is the pharmacological effect.

花、叶的热水提取物在体外对结核杆菌有抑制作用。叶或植物的浆汁有毒，食之可致呕吐、腹泻、谵妄。毒性成分可能在树脂部分。相关论述
The hot water extract of the flower and leaves has inhibitory effects on Mycobacterium tuberculosis in vitro. The juice of the leaves or plant is toxic and ingestion can lead to vomiting, diarrhea, and delirium. The toxic components may be present in the resinous part of the plant. This is discussed in relevant literature.

《全国中草药汇编》：“消瘀，止血，消肿。适用于月经过多，跌打瘀肿，外伤出血等证”。临床应用 临床应用
"Encyclopedia of Chinese Herbal Medicines": "Promotes blood circulation, stops bleeding, and reduces swelling. Suitable for excessive menstrual bleeding, bruises and swelling from falls, and bleeding from external injuries." Clinical application.

用于治疗月经过多，跌打损伤，骨折和外伤出血等。相关配伍
Used to treat excessive menstruation, bruises, fractures, and external bleeding due to trauma. Related compatibility.

治跌打损伤，骨折：一品红3-9g，水煎服；另取鲜品适量，捣烂外敷伤处。（《新编中草药图谱及常用配方》）加工炮制 采收加工
For treating bruises, sprains, and fractures: take 3-9g of Arnica montana, decoct in water and take orally; also take an appropriate amount of fresh Arnica montana, mash it and apply externally to the injured area. (From "New Compilation of Chinese Herbal Medicine Atlas and Common Formulas") Processing and preparation: harvesting and processing.

全年采收，鲜用或晒干。植物学信息 植物种属
Harvest throughout the year, for fresh use or drying. Botanical information: Plant species.

大戟科大戟属植物一品红。形态特征
Euphorbia pulcherrima, a plant in the Euphorbiaceae family, is commonly known as poinsettia. It has distinctive morphological features.

灌木。根圆柱状，极多分枝。茎直立，高1-3(4)m，直径1-4(5)cm，无毛。叶互生，卵状椭圆形、长椭圆形或披针形，长6-25cm，宽4-10cm，先端渐尖或急尖，基部楔形或渐狭，绿色，边缘全缘或浅裂或波状浅裂，叶面被短柔毛或无毛，叶背被柔毛；叶柄长2-5cm，无毛；无托叶；苞叶5-7枚，狭椭圆形，长3-7cm，宽1-2cm，通常全缘，极少边缘浅波状分裂，朱红色；叶柄长2-6cm。花序数个聚伞排列于枝顶；花序柄长3-4mm；总苞坛状，淡绿色，高7-9mm，直径6-8mm，边缘齿状5裂，裂片三角形，无毛；腺体常1枚，极少2枚，黄色，常压扁，呈两唇状，长4-5mm，宽约3mm。雄花多数，常伸出总苞之外；苞片丝状，具柔毛；雌花1枚，子房柄明显伸出总苞之外，无毛；子房光滑；花柱3,中部以下合生；柱头2深裂。蒴果，三棱状圆形，长1.5-2.0cm，直径约1.5cm，平滑无毛。种子卵状，长约1cm，直径8-9mm，灰色或淡灰色，近平滑；无种阜。花果期10至次年4月。分布区域
Shrub. The roots are cylindrical, with numerous branches. The stem is erect, 1-3(4)m tall, 1-4(5)cm in diameter, and hairless. The leaves are alternate, ovate-elliptic, lanceolate, 6-25cm long, 4-10cm wide, gradually tapering or acute at the apex, cuneate or gradually narrow at the base, green, with entire, shallowly lobed, or shallowly undulate margins, with short soft hairs or hairless on the leaf surface, and with soft hairs on the back of the leaf; petiole 2-5cm long, hairless; no stipules; bracts 5-7, narrowly elliptic, 3-7cm long, 1-2cm wide, usually entire, rarely shallowly undulate, reddish; petiole 2-6cm long. Several umbels arranged at the top of the branch; peduncle 3-4mm long; involucre tubular, pale green, 7-9mm high, 6-8mm in diameter, with 5 toothed margins, triangular lobes, hairless; glands usually 1, rarely 2, yellow, often compressed, bilabiate, 4-5mm long, about 3mm wide. Numerous staminate flowers, often extending beyond the involucre; bract filiform, with soft hairs; one pistillate flower, with a clearly elongated ovary stalk extending beyond the involucre, hairless; ovary smooth; styles 3, connate below the middle; stigmas deeply 2-cleft. Capsule, triangular-circular, 1.5-2.0cm long, about 1.5cm in diameter, smooth and hairless. Seeds are ovoid, about 1cm long, 8-9mm in diameter, gray or light gray, nearly smooth; without caruncle. Flowering and fruiting period from October to April of the following year. Distribution area.

原产自墨西哥，我国南北各地均有栽培。在我国的广东、广西及云南地区有露地栽培。
Originally from Mexico, it is cultivated in various regions across China. It is grown in open fields in Guangdong, Guangxi, and Yunnan provinces.