网脉橐吾，中药名。为菊科橐吾属植物网脉橐吾Ligulariadictyoneura（Franch.）Hand.-Mazz.的根。植物网脉橐吾，分布于我国云南西北部、四川西南部。具有宣肺理气，镇咳祛痰之功效。主治感冒，咳嗽。
Wang-mai-tuo-wu, name of Chinese Medicinal Material. the root of Ligularia dictyoneura (Franch.) Hand.-Mazz., a plant belonging to the Asteraceae family. This plant is distributed in the northwestern Yunnan and southwestern Sichuan provinces of China. It is known for its functions of promoting lung qi circulation, relieving cough, and eliminating phlegm. It is commonly used to treat colds and coughs.

功效作用 功能
The efficacy and functions.

宣肺理气，镇咳祛痰。主治
Tonify the lungs and regulate qi, suppress cough and resolve phlegm.主治

感冒，咳嗽。用法用量
Cold and cough. Dosage and usage.

内服：煎汤，6-9g。加工炮制 采收加工
Internal administration: Decoction, 6-9g. Processed and prepared from harvested materials.

夏、秋季采收，除去茎叶，洗净，晾干。植物学信息 植物种属
Harvest in summer and autumn, remove the stems and leaves, wash thoroughly, and air dry. Botanical information: plant species.

菊科橐吾属植物网脉橐吾。形态特征
The plant belongs to the Asteraceae family and the Ainsliaea genus, and is known as Ainsliaea latifolia. Its morphological characteristics include...

多年生灰绿色草本。根肉质，粗壮。茎直立，紫红色，高33-124厘米，光滑，实心，具白色髓，基部直径2.5-4毫米，被厚的褐色枯叶柄纤维包围。丛生叶具柄，柄长8-22厘米，光滑，上面平，下面圆形，截面为半圆形，实心，坚硬，上半部有狭翅，叶片卵形、长圆形或近圆形，长8-30厘米，宽5-21厘米，先端圆形，边缘有锯齿或仅有软骨质小齿，基部心形，叶革质，两面光滑，叶脉羽状，中脉粗，宽达5毫米，侧脉网状在两面均明显突起；茎中下部叶近无柄，叶片倒卵形或卵形，长7-16厘米，宽4-11厘米，先端钝，边缘有齿，基部半抱茎或下部者鞘状抱茎；茎上部叶无柄，卵状披针形至线形。总状花序长达30厘米，幼时密集近头状，后伸长，疏散；苞片及小苞片线形，长不逾10毫米；花序便不等长，长达6.5厘米，被密的黄褐色有节短柔毛；头状花序多数，辐射状；总苞陀螺形或近钟形，长6-9毫米，宽4-5毫米，总苞片6-8，2层，长圆形，宽3-4毫米，先端宽三角形，急尖或有短尖头，被褐色睫毛，背部黑褐色，光滑，内层具宽膜质边缘。舌状花黄色，4-6，舌片长圆形，长6-8（20）毫米，宽3-4毫米，先端圆形，管部长约3毫米；管状花多数，高于总苞，长5-6毫米，管部长2.5-3毫米，冠毛黄白色，与花冠等长。瘦果（未熟）光滑。花期6-9月。分布区域
Perennial herb with gray-green color. The root is fleshy and stout. The stem is erect, purplish-red, 33-124 cm tall, smooth, solid, with white pith, and the base has a diameter of 2.5-4 mm, surrounded by thick brown dry leaf sheaths. The basal leaves are petiolate, with petioles 8-22 cm long, smooth, flat on the upper surface, round on the lower surface, semi-circular in cross-section, solid, hard, with narrow wings on the upper half. The leaf blades are ovate, lanceolate, or nearly circular, 8-30 cm long, 5-21 cm wide, rounded at the apex, with serrated margins or only small cartilaginous teeth, heart-shaped at the base, leathery, smooth on both sides, with feather-like veins, prominent reticulate veins on both surfaces, and a thick midrib up to 5 mm wide. The lower leaves on the stem are nearly sessile, inverted ovate or ovate, 7-16 cm long, 4-11 cm wide, blunt at the apex, with teeth on the margins, semi-clasping or sheathing at the base. The upper stem leaves are sessile, ovate-lanceolate to linear. The inflorescence is up to 30 cm long, initially densely clustered and nearly capitate, later elongating and becoming sparse. The bracts and bracteoles are linear, not exceeding 10 mm in length. The inflorescence branches are unequal in length, up to 6.5 cm long, covered with dense yellow-brown short soft hairs. The capitulum inflorescences are numerous, radiate; the involucre is spirally or nearly bell-shaped, 6-9 mm long, 4-5 mm wide, with 6-8 involucral bracts in 2 layers, oblong, 3-4 mm wide, with a wide membranous margin on the inner layer. The ligulate flowers are yellow, 4-6, with ligules oblong, 6-8 (20) mm long, 3-4 mm wide, rounded at the apex, with a tube about 3 mm long; the tubular flowers are numerous, taller than the involucre, 5-6 mm long, with a tube about 2.5-3 mm long, and yellow-white corollas, equal in length to the corolla. The achene (unripe) is smooth. The flowering period is from June to September. Distribution area.

分布于我国云南西北部、四川西南部。生长环境
Distributed in the northwestern part of Yunnan and the southwestern part of Sichuan Province in China. Growing environment.

生于海拔1900-3600米的水边、林下、灌丛及山坡草地。
Born in the areas near water, under the forest, in shrubs, and on mountain grasslands at an altitude of 1900-3600 meters.