cypripedium_acaule
1. [ noun ] (botany) once common rose pink woodland orchid of eastern North America
Synonyms: nerveroot moccasin_flower
Related terms: lady's_slipper
Similar spelling:   Cypripedium_album
  Cypripedium_calceolus
  Cypripedium_arietinum
  Cypripedium_reginae
  Cypripedium_montanum