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nounany of several chiefly American wildflowers having an inflated pouchlike lip; difficult or impossible to cultivate in the gardentype of:
Definition that contains lady slipper
- phragmipedium genus of tropical American orchid species often included in genus Cypripedium or Paphiopedilum and Selenipedium: lady slippers
- genus phragmipedium genus of tropical American orchid species often included in genus Cypripedium or Paphiopedilum and Selenipedium: lady slippers