双飞蝴蝶，中药名。为豆科植物蝙蝠草Christiavespertilionis(L.f.)Bahn.f.的全草。分布于广东、海南、广西等地。具有活血祛风，解毒消肿之功效。用于风湿痹痛，跌打损伤，喉蛾，肺热咳嗽，痈肿疮毒，毒蛇咬伤。
Shuang-fei-hu-die, name of Chinese Medicinal Material. the whole plant of Christia vespertilionis (L.f.) Bahn.f., a leguminous plant, is distributed in Guangdong, Hainan, Guangxi, and other regions. It has the functions of promoting blood circulation, dispelling wind, detoxification, and reducing swelling. It is used for rheumatic pain, bruises, throat edema, lung heat cough, carbuncles, sores, snake bites, and other conditions.

功效作用 功能
The efficacy and functions.

活血祛风，解毒消肿。主治
Promoting blood circulation, dispelling wind, detoxifying, and reducing swelling. Mainly used for treating...

用于风湿痹痛，跌打损伤，喉蛾，肺热咳嗽，痈肿疮毒，毒蛇咬伤。用法用量
Used for rheumatic pain, bruises, sore throat, lung heat cough, abscesses, and snake bites. Dosage and administration.

内服：煎汤，3-9g；或浸酒。外用：适量，捣敷。注意事项
Internal use: decoction, 3-9g; or soak in alcohol. External use: apply an appropriate amount and spread it on the affected area. Precautions.

~《广西中药志》：“孕妇忌用。”~相关论述
"《广西中药志》: "Not suitable for use by pregnant women." ~ Relevant discussion

《广西中药志》：“活血祛风，散瘀消肿，止痛，解蛇毒。治跌打，风湿骨痛，蛇毒，痈疮。”临床应用 相关配伍
"Guangxi Materia Medica" states: "Activating blood circulation, dispelling wind, dispersing stasis, reducing swelling, relieving pain, and detoxifying snake venom. Used for treating injuries, rheumatic bone pain, snake bites, and carbuncles." Clinical applications and relevant combinations.

治跌打骨折：用蝙蝠草鲜全草捣烂或用全草研粉，调酒炒热外敷。（《广西本草选编》）加工炮制 采收加工
Treatment for bruises and fractures: Mash fresh whole plants of bat grass or grind the whole plant into powder, mix with alcohol, and apply externally after heating. (From "Selected Compilation of Guangxi Materia Medica") Processing and preparation: Harvest and process.

夏、秋季采收全草，洗净，鲜用，或扎成把晒干。植物学信息 植物种属
In summer and autumn, the whole plant is harvested, washed, and used fresh, or tied into bundles and dried in the sun. Botanical information: Plant species.

豆科植物蝙蝠草。形态特征
The leguminous plant bat's grass. Morphological characteristics

蝙蝠草又名：月见罗藟草、雷州蝴蝶树。多年生直立草本，高60-120厘米。常由基部开始分枝，枝较纤细，上部略被灰色柔毛。叶通常为单小叶，稀有3小叶；托叶刺毛状，长5-6毫米，脱落；叶柄长2-2.5厘米，被稀疏短柔毛；小叶近革质，灰绿色，顶生小叶菱形或长菱形或元宝形，长0.8-1.5厘米，宽5-9厘米，先端宽而截平，近中央处稍凹，基部略呈心形，侧生小叶倒心形或倒三角形，两侧常不对称，长8-15毫米，宽15-20毫米，先端截平，基部楔形或近圆形，上面无毛，下面稍被短柔毛，侧脉每边3-4条，平展，网脉在下面不明显；小叶柄长1毫米。总状花序顶生或腋生，有时组成圆锥花序，长5-15厘米，被短柔毛；花梗长2-4毫米，被灰色短柔毛，较萼短；花萼半透明，被柔毛，花后增大，长8-12毫米，网脉明显，5裂，裂片三角形，约与萼筒等长，上部2裂片稍合生；花冠黄白色，不伸出萼外。荚果有荚节4-5，椭圆形，荚节长3毫米，宽2毫米，成熟后黑褐色，有网纹，无毛，完全藏于萼内。花期3-5月，果期10-12月。分布区域
The plant known as Bat Grass is also called: Moon-observing Luo Xian Cao, and Leizhou Butterfly Tree. It is a perennial upright herb, 60-120 centimeters tall. It often branches from the base, with relatively slender branches, and is slightly covered with grayish soft hairs in the upper part. The leaves usually consist of a single leaflet, rarely 3 leaflets; the stipules are thorn-like, 5-6 millimeters long, and shed; the petiole is 2-2.5 centimeters long, sparsely covered with short soft hairs; the leaflets are nearly leathery, grayish-green, with the terminal leaflet being rhombic, elongated rhombic, or kidney-shaped, 0.8-1.5 centimeters long, 5-9 centimeters wide, broad and truncate at the apex, slightly concave near the center, slightly heart-shaped at the base, and the lateral leaflets are inversely heart-shaped or inversely triangular, often asymmetric on both sides, 8-15 millimeters long, 15-20 millimeters wide, truncate at the apex, and wedge-shaped or nearly circular at the base, hairless on the upper surface, slightly covered with short soft hairs on the lower surface, with 3-4 veins on each side, flat, and the reticulate veins are not obvious on the lower surface; the leaflet stalk is 1 millimeter long. The inflorescence is terminal or axillary, sometimes forming a conical inflorescence, 5-15 centimeters long, covered with short soft hairs; the pedicel is 2-4 millimeters long, covered with grayish short soft hairs, shorter than the calyx; the calyx is translucent, hairy, enlarging after flowering, 8-12 millimeters long, with obvious veins, 5-lobed, with triangular lobes, approximately equal in length to the calyx tube, with the upper 2 lobes slightly connate; the corolla is yellowish-white, not extending beyond the calyx. The pod has 4-5 pod joints, elliptical, 3 millimeters long, 2 millimeters wide, black-brown when ripe, with reticulations, hairless, completely concealed within the calyx. The flowering period is from March to May, and the fruiting period is from October to December. Distribution area: [not provided]

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.

生于旷野草丛灌丛中。
Born in the wilderness, amidst the grass and shrubs.