牙刷草，中药名。为唇形科香薷属植物东紫苏Elsholtzia bodinieri Vant.的全草。具有发散解表，清热利湿的功效。主治感冒，扁桃腺炎，小儿口腔炎，头痛，牙痛，咽喉痛，眼结膜炎，肝炎，消化不良。
Ya-shua-cao, name of Chinese Medicinal Material. the whole plant of Elsholtzia bodinieri Vant., a plant of the Lamiaceae family, has the effects of dispersing and resolving the surface, clearing heat, and eliminating dampness. It is used to treat colds, tonsillitis, oral ulcers in children, headaches, toothaches, sore throat, conjunctivitis, hepatitis, and indigestion.

功效作用 功能
The efficacy and functions.

发散解表，清热利湿。主治
Disperse and release the exterior, clear heat, and resolve dampness. Used to treat...

感冒，扁桃腺炎，小儿口腔炎，头痛，牙痛，咽喉痛，眼结膜炎，肝炎，消化不良。用法用量
The common cold, tonsillitis, pediatric stomatitis, headache, toothache, sore throat, conjunctivitis, hepatitis, and indigestion. Dosage and administration.

用量9-30g。加工炮制 采收加工
Dosage: 9-30g. Processing: harvested and processed.

全年可采，鲜用或晒干。植物学信息 植物种属
Available for harvest all year round, can be used fresh or dried. Botanical information: Plant species.

唇形科香薷属植物东紫苏。形态特征
Labiatae is a plant of the genus Perilla. Morphological characteristics

多年生草本，高7-25cm，全株密被柔毛，具香气。茎由基部分枝，枝辐射状斜上升，被粗糙毛。单叶交互对生，无柄；叶片稍肉质，条状披针形至倒卵状披针形，长1.5-2.8cm，宽4-9mm，基部楔形下延，先端钝，上半部边缘具圆齿，两面均无毛或略被疏毛，下面密缀小腺点。夏，秋季开花，假穗状花序生于上升枝条及其分枝的顶端，四方柱形，长2.5-5cm；每轮花下托以两个苞片连合而成的总苞，总苞先端各具一尾状的尖头，外被疏柔毛及浅黄色皮屑状腺体，略显鱼鳞状的网纹；花小，淡紫色，花冠唇形，开放时伸出于萼和总苞外；雄蕊4与花柱均长伸于花冠外。果为小坚果。分布区域
Perennial herb, 7-25cm tall, with the entire plant densely covered in soft hairs and emitting a fragrance. The stem branches from the base, with the branches radiating obliquely upwards and covered in coarse hairs. The single leaves are arranged alternately, without petioles; the leaf blades are somewhat fleshy, lanceolate to ovate-lanceolate, 1.5-2.8cm long, 4-9mm wide, with a wedge-shaped base tapering downwards, a blunt apex, rounded teeth on the upper half of the margin, and are either hairless or sparsely hairy on both surfaces, with small glandular dots densely scattered on the lower surface. It flowers in summer and autumn, with the spike-like inflorescence borne at the apex of the ascending branches and their divisions, quadrangular-cylindrical, 2.5-5cm long; each flower is subtended by a pair of bracts fused into a common bract, each with a tail-like pointed tip at the apex, sparsely covered with soft hairs and shallow yellowish scale-like glands, and slightly showing a fish-scale-like network; the flowers are small, pale purple, with a labiate corolla, extending outside the calyx and common bract when open; the stamens and pistil are both elongated and protrude outside the corolla. The fruit is a small achene. Distribution area.

分布于云南、贵州等省。生长环境
Distributed in Yunnan, Guizhou and other provinces. Growing environment.

生于阳坡石灰岩隙或干燥红壤，在松林间呈小片生长。
Born in the crevices of sunny limestone slopes or dry red soil, it grows in small patches among the pine forests.