Lady's slipper n. (Bot.) Any orchidaceous plant of the genus Cypripedium, the labellum of which resembles a slipper. Less commonly, in the United States, the garden balsam (Impatiens Balsamina).
... sticking out in every direction. And if here isn't a perfect shape of a lady's slipper! The lady should wear it inside out, so all could see its ... — Lord Dolphin • Harriet A. Cheever
... roots the Girl made drawings of the plant and learned its commercial value. She drew lady's slipper and Solomon's seal, and learned their uses and prices; and carefully traced wild ginger leaves while nibbling the aromatic root. It was difficult to keep from protesting when the work carried them around the lake shore and to the pokeberry beds, for the colour of these she loved. It required ... — The Harvester • Gene Stratton Porter