any of a genus (Zinnia) of plants of the composite family, having colorful flower heads, native to North and South America
ModL, after J. G. Zinn (1727-59), Ger botanist
See zinnia in American Heritage Dictionary 4
Any of various plants of the genus Zinnia, native to tropical America, especially Z. elegans, widely cultivated for its showy, rayed, variously colored flower heads. Also called regionally old maid, old maid flower.
Origin: New Latin Zinnia, genus name
Origin: , after Johann Gottfried Zinn (1727-1759), German botanist