- any of a genus (Trollius) of plants of the buttercup family, with white, orange, or yellow globe-shaped flowers
Any of several plants of the genus Trollius in the buttercup family, having palmately lobed leaves and solitary, usually yellow flowers.
- Trollius europaeus, a plant with globe-shaped flowers.
- Trollius laxus, a similar American plant.
- More generally, any plant of the genus Trollius.