- any of a genus (Dahlia) of perennial plants of the composite family, with tuberous roots and large, showy flower heads in various bright colors, native to Mexico and Central America
- the flower of this plant
Origin of dahliaModL, after A. Dahl, 18th-c. Swedish botanist
Any of several tuberous-rooted plants of the genus Dahlia of the composite family, native to Mexico, Central America, and northern South America and cultivated for their showy, colorful flower heads.
Origin of dahliaNew Latin Dahlia genus name after Anders Dahl (1751-1787), Swedish botanist
Named 1791 by Spanish botanist Antonio José Cavanilles for Anders Dahl.
- A female given name.
From the flower dahlia in the 19th century.