Lady's-slipper

Lady's-slipper, moccasin flower, or squirrel's shoes, any of various species of the orchid family that bear a single flower on each stem. The lower petal is shaped like a slipper, and the sepals look like a bow securing it. Lady's-slippers are found in damp woodlands and bogs in North America, Europe, and Asia. They are fertilized by queen bumblebees, which are heavy enough to force their way in through a slit in the “slipper.”