Wormwood is Artemisia absinthium. This herbaceous perennial plant can grow to a height of two to four feet. It has silvery-white leaves and stem, and a bitter taste. It is widely distributed in the Mediterranean, central Asia, Europe, and Kashmir. It is a native to temperate regions of Europe and a naturalized species in the United States. The plant is found in the wild and cultivated as an ornamental.
In Biblical times, wormwood was a symbol of calamity and sorrow: there are seven references to wormwood in the Old Testament.
Common wormwood is a relative of sweet wormwood (Artemisia annua). Wormwood (Artemisia absinthium) is the key ingredient of the controversial aperitif known as absinthe.
More on medicinal properties, references to the plant in the Bible and other details on wormwood – Holy Herbs: Modern Connections to Ancient Plants