any of a genus (Artemisia) of aromatic herbs or shrubs of the composite family, with small yellowish flowers, including wormwood and sagebrush
See artemisia in American Heritage Dictionary 4
(ärˌtə-mĭzhˈē-ə, -mĭzhˈə, -mĭzˈē-ə)
noun
Any of various aromatic plants of the genus Artemisia in the composite family, having green or grayish foliage and usually numerous small discoid flower heads and including the mugwort, sagebrush, tarragon, and wormweed.