1. Any of numerous, mostly Eurasian plants of the genus Chrysanthemum in the composite family, many of which are cultivated as ornamentals for their showy radiate flower heads: Chrysanthemums flower or bloom in about three months after their seeds are sowed and they have long flowering periods.
2. A perennial garden plant with many cultivated varieties. Chrysanthemums are flowers that are brightly colored, with many varied shapes, and small densely clustered petals.

Chrysanthemums are available in a wide variety of colors, from white, to yellow and gold, pink, orange, bronze, deep red, maroon, violet and purple; and some chrysanthemums are a mixture of two or even more colors.

3. Etymology: from Latin chrysanthemum; from Greek khrusanthemon, "gold flower"; from khrus-, khruso-, chryso- + anthemon, "flower".