Gerardia Definition
jə-rärdē-ə
noun
Any of a genus (Gerardia) of American plants of the figwort family, with showy yellow, white, or pinkish flowers: it is sometimes parasitic on roots.
Webster's New World
Origin of Gerardia
New Latin Gerardia former genus name after John Gerard (1545–1612), English botanist
From American Heritage Dictionary of the English Language, 5th Edition