翼梗獐牙菜，中药名。为龙胆科植物显脉獐牙菜Swertianervosa(G.Don)Wall.exC.B.Clarke的全草。分布于西南及陕西、甘肃、广西、西藏等地。具有清热解毒，活血调经之功效。常用于黄疸，潮热，泄泻，月经不调。
Yi-geng-zhang-ya-cai, name of Chinese Medicinal Material. the whole herb of Swertia nervosa (G.Don) Wall. ex C.B.Clarke, a plant of the Gentianaceae family, is distributed in the southwest, Shaanxi, Gansu, Guangxi, Tibet, and other regions. It is known for its effects of clearing heat, detoxifying, promoting blood circulation, and regulating menstruation. It is commonly used for jaundice, fever and chills, diarrhea, and irregular menstruation.

功效作用 功能
Efficacy and Functions

清热解毒，活血调经。主治
Clearing heat and detoxifying, promoting blood circulation and regulating menstruation. Used to treat...

黄疸，潮热，泄泻，月经不调。用法用量
Jaundice, hot flashes, diarrhea, and irregular menstruation. Dosage and administration.

内服：煎汤，3-10g。相关论述
Internal administration: Decoction, 3-10g. Relevant discussion.

1、《全国中草药汇编》：“清热，解毒。治黄疸，口苦，潮热等症。”2、《中国中药资源志要》：“治泄泻，月经不调。”加工炮制 采收加工

1. "Chinese Herbal Medicine Compilation of China: 'Clears heat, detoxifies. Used to treat jaundice, bitter taste in the mouth, and symptoms of tidal fever.'"2. "Essentials of Chinese Medicinal Resources in China: 'Used to treat diarrhea, irregular menstruation.' Processing and preparation: harvesting and processing."

夏、秋季采收，洗净，切段晒干。植物学信息 植物种属
Harvest in summer and autumn, wash, cut into sections, and sun dry. Botanical information: plant species.

龙胆科獐牙菜属显脉獐牙菜。形态特征
The Gentianaceae family belongs to the Swertia genus, with the Swertia featuring prominent veins.

一年生草本，高30-100厘米。根粗壮，黄褐色。茎直立，四棱形，棱上有宽翅，下部直径2-5毫米，上部有分枝。叶具极短的柄，叶片椭圆形狭椭圆形至披针形，长1.6-7.5厘米，宽0.4-2.3厘米，愈向茎上部叶愈小，两端渐狭，叶脉1-3条，在下面明显突起。圆锥状复聚伞花序多花，开展；花梗直立，长0.5-2厘米；花4数，直径达1.8厘米；花萼绿色，叶状，长于花冠，裂片线状披针形，长8-17毫米，先端渐尖，背部中脉突起；花冠黄绿色，中部以上具紫红色网脉，裂片椭圆形，长6-9毫米，先端钝，具小尖头，下部具1个腺窝，腺窝深陷，半圆形，上半部边缘具短流苏，基部有1个半圆形膜片盖于其上，膜片可以自由启合；花丝线形，长4.5-6毫米，花药黄色，椭圆形，长约2毫米；子房无柄，卵形，花柱短而明显，柱头裂片半圆形。蒴果无柄，卵形，长6-9毫米；种子深褐色，椭圆形，长约0.5毫米，表面泡沫状。花果期9-12月。分布区域
It is an annual herb, 30-100 centimeters tall. The roots are stout and yellow-brown. The stems are erect, four-angled, with broad wings on the angles, 2-5 millimeters in diameter at the base, and branching at the top. The leaves have very short petioles, elliptic to lanceolate or lanceolate, 1.6-7.5 centimeters long, 0.4-2.3 centimeters wide, becoming smaller towards the upper part of the stem, tapering at both ends, with 1-3 veins prominently raised on the underside. The cone-shaped compound umbel inflorescence is multi-flowered and spreading; the flower stalks are erect, 0.5-2 centimeters long; the flowers are in 4's, up to 1.8 centimeters in diameter; the sepals are green, leaf-like, longer than the corolla, with linear lanceolate lobes, 8-17 millimeters long, gradually pointed at the tip, with a prominent midvein on the back; the corolla is yellow-green, with purple-red veins above the middle, elliptic lobes, 6-9 millimeters long, blunt at the tip, with small apices, a glandular pit at the base, a deep, semi-circular glandular pit, short fringes on the upper half of the edge, a semi-circular membranous flap at the base, which can freely open and close; the filaments are linear, 4.5-6 millimeters long, the anthers are yellow, elliptical, about 2 millimeters long; the ovary is sessile, ovoid, with short and distinct styles, and the stigmas are semi-circular lobes. The capsule is sessile, ovoid, 6-9 millimeters long; the seeds are dark brown, elliptical, about 0.5 millimeters long, with a foamy surface. The flowering and fruiting period is from September to December. Distribution area: [missing].

西南及陕西、甘肃、广西、西藏等地。生长环境
Southwest China, as well as Shaanxi, Gansu, Guangxi, Tibet, and other regions. Growing environment.

生于海拔460-2700m的河滩、山坡、疏林下、灌丛中。
Born in riverbanks, mountain slopes, sparse forests, and thickets at altitudes of 460-2700 meters.