The American Heritage® Dictionary of the English Language, 4th Edition
n. 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.
n. Any of many aromatic flowering plants of the genus Artemisia, including wormwood, sagebrush, and tarragon.
Word Usage
"Botanical research efforts that received recent federal funding include:- Pennington Biomedical Research Center in Baton Rouge, to investigate how supplements such as artemisia and St. John's wort can reduce a person's chances of developing metabolic syndrome."