Cypripedium parviflorum

Cypripedium parviflorum, commonly known as yellow lady's slipper or moccasin flower, is a lady's slipper orchid native to North America. It is widespread, ranging from Alaska south to Arizona and Georgia. C. parviflorum is a highly variable species, which is a result of both hybridization and phenotypic plasticity. Four varieties are widely recognized. They are: