Europeans thought the cranberry blossom looked like the head of a sandhill crane, hence the name Cranberry.
They are also known as bounce berries as they bounce when they ripe.
Cranberries do not grow in water.
The name is derived from the word "ugly" refering to the it's unpleasant appearance, with rough, wrinkled, greenish-yellow rind, wrapped loosely around the orange pulpy citrus inside.