- any of several tall composite plants of the genus Tithonia, native to Mexico and Central America, having yellow or orange-red ray flowers.
Origin of tithonia
1935–40; < New Latin, equivalent to Latin Tīthōn(us) husband of Aurora + -ia -ia
Also called Mexican sunflower.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for tithonia
It has also been observed in Tithonia, and is of constant occurrence in the seed leaves of some Mesembryanthema.Vegetable Teratology
Maxwell T. Masters