plural of buttercup

The technical notion of sensitive dependence on initial conditions in chaos theory.

The yellow wood anemone.

plural of buttercup anemone

plural of butterface

A North American walnut tree, Juglans cinerea. / The wood or bark of this walnut tree. / The nut of this walnut tree. / A dye made from the fruit of this walnut tree. / The souari nut.

plural of butterbean

An innocent person (usually a female) crushed by life's adversities.

Any of several Eurasian herbs, of the genus Petasites, having dense clusters of often purple flowers.

plural of butterfly net