cypripedium_arietinum
1. [ noun ] (botany) orchid of northern North America having a brownish-green flower and red-and-white lip suggestive of a ram's head
Synonyms: ram's-head_lady's_slipper ram's-head
Related terms: lady's_slipper
Similar spelling:   Cypripedium_montanum
  Cypripedium_acaule
  Cypripedium_parviflorum
  Cypripedium_fasciculatum
  Cypripedium_reginae
  Cypripedium_californicum
  Cypripedium_calceolus