- See lady's slipper.
- a species of lady's-slipper (Cypripedium acaule) present in united states. The low petal is two inches long, and forms a rose-colored moccasin-shaped pouch. It grows in wealthy forests under coniferous trees.
- See Cypripedium, Indian-shoe, and lady's slipper.
- once common rose pink woodland orchid of east the united states