any of numerous perennial Old World herbs having showy brightly colored flower heads of the genera Chrysanthemum, Argyranthemum, Dendranthema, Tanacetum; widely cultivated
source: WordNet 3.0
A genus of composite plants, mostly perennial, and of many species including the many varieties of garden chrysanthemums (annual and perennial), and also the feverfew and the oxeye daisy.
