Webster’s Revised Unabridged Dictionary · 1913
Dahlia
Dah′lia (däl′yȧ or dāl′yȧ; 277, 106), n.; pl. Dahlias (#). [Named after Andrew Dahl a Swedish botanist.] (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.