- yellow lady's slipper, yellow lady-slipper, Cypripedium calceolus, Cypripedium parviflorum - maroon to purple-brown orchid with yellow lip; Europe, North America and Japan
--1 is a kind of lady's slipper, lady-slipper, ladies' slipper, slipper orchid
--1 has particulars: large yellow lady's slipper, Cypripedium calceolus pubescens