Butter flower

the buttercup, a yellow flower.

See also: Butter

References in periodicals archive ?
At night, the butter flower lamps are lit, creating a beautiful and unforgettable scene.
McDowell of Minneapolis supplied "some very pretty ornamental work" including flowers, vines, a bas-relief cow and a butter churn for the Minnesota section, Ruth Woodruff created a garden of butter flowers for Illinois, and Laura Worley was responsible for four butter portraits of exposition officials in the Indiana exhibit.