老虎须，中药名。为萝藦科植物老虎须TylophoraarenicolaMerr.的根。分布于广东、海南、广西等地。具有活血消肿，解蛇毒之功效。常用于跌打肿痛，毒蛇咬伤。
Lao-hu-xu, name of Chinese Medicinal Material. The root of Tylophora arenicola Merr., a plant of the Asclepiadaceae family, distributed in Guangdong, Hainan, Guangxi, and other regions. It is known for its functions of promoting blood circulation, reducing swelling, and detoxifying snake venom. It is commonly used for injuries from falls or blows, as well as for snake bites.

功效作用 功能
The efficacy and functions.

活血消肿，解蛇毒。主治
Promoting blood circulation to remove blood stasis, reducing swelling, and detoxifying snake venom. Mainly used for treating...

用于跌打肿痛，毒蛇咬伤。用法用量
Used for bruises, swelling, and pain, as well as snake bites. Dosage and administration:

内服：煎汤，5-15g。外用：适量，鲜品捣敷。相关论述
Internal use: Decoction, 5-15g. External use: appropriate amount, fresh product pounded for application. Related discussion.

《全国中草药汇编》：“主治跌打瘀肿，毒蛇咬伤。”临床应用 附注
"Encyclopedia of Chinese Herbal Medicine": "Mainly used for treating bruises, swelling, and snake bites." Clinical application notes.

本品全株有毒。肿毒轻者出现腹泻，呕吐；严重者则肠黏膜脱落，引起大量出血。可按解救的一般原则进行处理。加工炮制 采收加工
This product is toxic in its entirety. Mild symptoms of poisoning include diarrhea and vomiting, while severe cases can lead to the shedding of intestinal mucosa and extensive bleeding. Treatment should follow general rescue principles. Processing and preparation should be carried out during harvesting.

秋、冬季采挖，洗净，切片，晒干或鲜用。植物学信息 植物种属
Harvest in autumn and winter, wash, slice, and dry in the sun or use fresh. Botanical information: plant species.

萝藦科植物老虎须。形态特征
The plant "老虎须" belongs to the Lamiaceae family. Its morphological characteristics include...

老虎须又名老君须。藤状灌木；须根丛生，黄白色；茎下部直立，上部攀援或平卧，略被柔毛。叶纸质至革质，卵圆形，稀长圆形，长2-4.5厘米，宽1-2.5厘米，顶端圆形，具短尖头，基部圆形，无毛；侧脉每边约4条，两面扁平；叶柄长2-5毫米。聚伞花序腋生，萎缩而密生，附着花7-10朵，比叶短；花萼裂片卵状三角形，长1.4毫米，宽1毫米，无毛，花萼内面基部有5个腺体；花冠近钟状，黄绿色，裂片长圆形，长3.5毫米，宽2毫米，无毛；副花冠裂片短，到达花药基部，卵形，隆肿，宽约1.5毫米；花粉块每室1个，近球状，平展；花药顶端具圆形膜片；子房无毛；柱头盘状。蓇葖双生，披针形，长4-6厘米，直径1厘米，无毛；种子倒卵形，长约4毫米，棕褐色，有边缘，顶端具白色绢质种毛：种毛长2厘米。花期5-6月，果期10-12月。分布区域
Tiger beard, also known as Laojun beard, is a vine-like shrub. It has a cluster of roots, which are yellowish-white in color. The lower part of the stem is erect, while the upper part climbs or lies flat, and is slightly covered with soft hairs. The leaves are papery to leathery, ovate, occasionally elongated ovate, 2-4.5 cm long and 1-2.5 cm wide, with a rounded apex, short pointed tip, and round base, and are hairless. There are about 4 veins on each side, and the leaves are flat on both sides. The leaf stalk is 2-5 mm long. The umbel inflorescence is axillary, with densely packed withered flowers, bearing 7-10 flowers, shorter than the leaves. The sepals are ovate-triangular, 1.4 mm long and 1 mm wide, hairless, with 5 glands at the base of the inner surface. The corolla is nearly bell-shaped, yellow-green, with oblong lobes, 3.5 mm long and 2 mm wide, hairless. The corona lobes are short, reaching the base of the anthers, ovate, swollen, and about 1.5 mm wide. There is one pollen mass per locule, nearly spherical and flat. The anthers have rounded membranous tips. The ovary is hairless, and the stigma is disc-shaped. The fruit is paired, lanceolate, 4-6 cm long, 1 cm in diameter, and hairless. The seeds are inverted-ovate, about 4 mm long, brownish, with edges, and have white silky hairs at the apex, which are 2 cm long. The flowering period is from May to June, and the fruiting period is from October to December. This plant is distributed in... (the distribution area is not provided in the original text)

分布于广东、海南、广西等地。生长环境
Distributed in Guangdong, Hainan, Guangxi and other regions. Growing environment.

生于海边沙地及平原旷野灌木丛中。
Born in the sandy coastal areas and the open plains and wild shrubbery.