Noun: Cypripedium calceolus pubescens
- Plant of eastern and central North America having slightly fragrant purple-marked greenish-yellow flowers
"The Cypripedium calceolus pubescens took years to establish in the woodland garden";
- large yellow lady's slipper
Type of: Cypripedium calceolus, Cypripedium parviflorum, yellow lady's slipper, yellow lady-slipper