Close up buttercup

That is yellow! Commonly known as St. Anthony's turnip, the butter cup (Ranunculus bulbosus) has bright yellow flowers. The flower petals are glossy and curved; they reflect light towards the center of the flower. The "turnip" name comes from the bulbous root of this flower. Children use the flower in a game to determine if someone likes butter. One child picks the yellow flower and asks another…