黄牛茶，中药名。为藤黄科黄牛木属植物黄牛木Cratoxylum cochinchinense（Lour.）Bl.[Hypericum cochinchinense Lour.；C.ligustrinum（Spach.）Bl.]的根、树皮或茎叶。具有清热化湿，祛瘀消肿的功效。主治感冒，中暑发热，泄泻，黄疸，跌打损伤，痈肿疮疖。
Huang-niu-cha, name of Chinese Medicinal Material. the root, bark, or stems and leaves of Cratoxylum cochinchinense (Lour.) Bl. [Hypericum cochinchinense Lour.; C.ligustrinum (Spach.) Bl.], a plant of the Guttiferae family. It has the functions of clearing heat and dampness, dispelling stasis, and reducing swelling. It is used to treat colds, heatstroke with fever, diarrhea, jaundice, bruises, and abscesses.

功效作用 Efficacy and Functions

清热化湿，祛瘀消肿。
Clearing heat and dampness, removing blood stasis and reducing swelling.

主治 Indications

感冒，中暑发热，泄泻，黄疸，跌打损伤，痈肿疮疖。
Common cold, heatstroke with fever, diarrhea, jaundice, bruises, abscesses, and sores.

用法用量 Dosage and Administration

内服：根、树皮煎汤，9-15g，鲜品15-30g；鲜叶适量，泡茶或煎汁含咽。
Internal use: Decoction of roots and bark, 9-15g, fresh product 15-30g; fresh leaves as needed, can be used for making tea or decoction for gargling.

注意事项 Precautions

孕妇禁服。
Pregnant women are prohibited from taking it.

化学成分 Chemical Composition

叶含黄酮甙，酚类、糖类。根含黄酮甙、酚类、氨基酸。
Leaves contain flavonoid glycosides, phenols, and sugars. Roots contain flavonoid glycosides, phenols, and amino acids.

相关论述 Relevant Discussion

《广西药植名录》：止血，消肿，去毒。治肚痛腹泻，黄疸病。
"Guangxi Medicinal Plant Catalog": Hemostasis, reducing swelling, detoxification. Used to treat abdominal pain, diarrhea, and jaundice.

广外部队《常用中草药手册》：清热解暑，化湿消滞。治感冒发热，肠炎腹泻，咳嗽声嘶。嫩叶作茶，可预防感冒，痢疾。
"Common Chinese Herbal Medicine Manual for Guangxi Military": Clears heat, relieves summer heat, promotes diuresis, and eliminates dampness. Used to treat fever, diarrhea, and cough with hoarseness. The tender leaves can be made into tea to prevent colds and dysentery.

加工炮制 Processing and Preparation

采收加工：全年均可采根和树皮，切碎，鲜用或晒干；6-7月采叶，鲜用或晾干。
The roots and bark can be harvested throughout the year, chopped, and used fresh or dried; the leaves can be harvested in June and July, and used fresh or air-dried.

植物学信息 Botanical Information

植物种属：藤黄科黄牛木属植物黄牛木。
Huangniu wood (Cratoxylum cochinchinense) is a plant belonging to the genus Cratoxylum, family Clusiaceae (Guttiferae).

形态特征 Morphological Characteristics

灌木或小乔木，高2-10m。树皮淡黄色，光滑；幼枝略扁，淡红色。叶对生，纸质，椭圆形至长椭圆形，长5-9cm，宽2-3.5cm，先端急尖，基部楔形，两面无毛，下面有黑色细小的腺点；具短柄。聚伞花序腋生或稍腋上生，有花2-3朵；花粉红色，径约1厘米；萼片椭圆形；花瓣倒卵形；雄蕊合生成3束，腺体3，肉质，顶端增厚反曲；子房上位，圆锥状，3室，每室有胚珠6颗，花柱线形。蒴果椭圆形，长8-12mm，具宿存的萼。种子一侧有翅。花期4-5月。
Shrubs or small trees, 2-10m tall. The bark is light yellow and smooth; young branches are slightly flattened and light red. Leaves are opposite, papery, elliptic to oblong-elliptic, 5-9cm long, 2-3.5cm wide, acute at the apex, cuneate at the base, glabrous on both sides, with small black glandular dots underneath; with short petioles. Cymose inflorescences are axillary or slightly supra-axillary, with 2-3 flowers; the flowers are pink, about 1cm in diameter; sepals are elliptic; petals are obovate; stamens are fused into 3 bundles, with 3 fleshy glands, thickened and recurved at the apex; ovary superior, conical, 3-loculed, each locule with 6 ovules, and the style is linear. Capsules are elliptic, 8-12mm long, with persistent sepals. Seeds have wings on one side. Flowering period is from April to May.

分布区域 Distribution Area

分布于我国南部各地。
Distributed in various southern regions of China.

生长环境 Growing Environment

生于山坡，旷野灌木丛中。
Found on hillsides and in wild shrublands.