| bermuda buttercup | (n) South African bulbous wood sorrel with showy yellow flowers, Syn. Oxalis pes-caprae, Oxalis cernua, English-weed |
| buttercup | (n) any of various plants of the genus Ranunculus, Syn. crowfoot, butter-flower, goldcup, butterflower, kingcup |
| buttercup squash | (n) plant bearing somewhat drum-shaped fruit having dark green rind with greyish markings |
| buttercup squash | (n) drum-shaped squash with dark green rind marked in silver or grey |
| common buttercup | (n) perennial Old World buttercup with golden to sulphur yellow flowers in late spring to early summer; naturalized in North America, Syn. Ranunculus bulbosus |
| creeping buttercup | (n) perennial European herb with long creeping stolons, Syn. creeping crowfoot, Ranunculus repens |
| giant buttercup | (n) spectacular perennial native of wet montane grasslands of Peru; formerly included in genus Ranunculus, Syn. Laccopetalum giganteum |
| meadow buttercup | (n) perennial European buttercup with yellow spring flowers widely naturalized especially in eastern North America, Syn. Ranunculus acris, tall crowfoot, tall buttercup, tall field buttercup |
| sagebrush buttercup | (n) small early-flowering buttercup with shiny yellow flowers of western North America, Syn. Ranunculus glaberrimus |
| western buttercup | (n) perennial of western North America, Syn. Ranunculus occidentalis |
| cursed crowfoot | (n) annual herb growing in marshy places, Syn. Ranunculus sceleratus, celery-leaved buttercup |
| ranunculaceae | (n) a family of Ranunculaceae, Syn. family Ranunculaceae, buttercup family, crowfoot family |
| water crowfoot | (n) plant of ponds and slow streams having submerged and floating leaves and white flowers; Europe and North America, Syn. water buttercup, Ranunculus aquatilis |
