牡荆又称荆条,是黄荆的变种,有大叶与小叶两种。牡荆为落叶灌木,干多而弯曲,侧枝繁茂,有向上或平生长势。有的小枝四棱形,老枝及树干的皮裂开、粗糙,有饱经风霜之态。叶片下有柄,呈三裂或五裂,叶边缘呈锯齿状。牡荆枝条顶生圆锥状花序,花为浅紫色或白色,花期较长。 Vitex also known as Vitex, is a variant of Huang Jing, there are two large leaves and leaflets. Vitex deciduous shrubs, dry and more curved, lush branches, there are upward or flat growth potential. Some branchlets four prism, old branches and trunk of the skin cracked open, rough, weather-beaten state. Leaves under the handle, was three or five split crack, serrated leaf edge. Vitex branches top conical inflorescences, light purple or white flowers, flowering longer.