dahlia Meaning, Definition & Usage

  1. noun any of several plants of or developed from the species Dahlia pinnata having tuberous roots and showy rayed variously colored flower heads; native to the mountains of Mexico and Central America and Colombia
    Dahlia pinnata.

WordNet

Dah"lia noun
Etymology
Named after Andrew Dahl a Swedish botanist.
Wordforms
plural Dahlias
Definitions
  1. (Bot.) A genus of plants native to Mexico and Central America, of the order Compositæ; also, any plant or flower of the genus. The numerous varieties of cultivated dahlias bear conspicuous flowers which differ in color.

Webster 1913