益母草是一年或多年生的野生蜜源植物,高1—2米,有四棱,叶对生,根部的叶,略成圆形,如钝锯齿状,茎和叶都长有细毛。茎上节间处,轮生着淡征紫色小唇形花,围携茎节粗成花盘。花的上唇长而大,下唇分为三裂,有紫色花瓣,花后桔棕色 Motherwort is a year or perennial wild nectar plants, 1-2 meters high, with four edges, leaves opposite, the leaves of the roots, slightly rounded, as long as a jagged serrata, stems and leaves are fine hair. Stems on the internals Department, with a light purple light lip-shaped flowers, surrounded by stem section into a coarse disk. The upper lip of the flower is long and large, the lower lip is divided into three parts, with purple petals and orange flowers after the flower