Buttercup, or Crowfoot, a plant native mostly to northern temperate areas. Most of the 250 species of buttercups are wildflowers; a few species are planted in gardens or used as houseplants. Most buttercups have yellow flowers, but some have orange, red, pink, or white flowers.

The buttercupThe buttercup is a bright yellow wildflower.

The common buttercup grows to a height of two feet (60 cm) or more. Its stems are branched and hairy, and its leaves divide into many segments. The creeping crowfoot, another common species, grows along the ground. It has a double-flowered variety that is a popular garden plant. Other wild buttercups include the swamp buttercup, grassy buttercup, and bulbous buttercup.

The florist's ranunculus (also called the Persian, or turban, buttercup) is grown indoors as a potted plant for winter bloom. It has yellow, orange, or red blossoms, which are usually double.

Buttercups belong to the family Ranunculaceae. The common buttercup is Ranunculus acris; creeping, R. repens; swamp, R. septentrionalis; grassy, R. gramineus; bulbous, R. bulbosus. The florist's ranunculus is R. asiaticus.