yellow lady's slipper, yellow lady-slipper, Cypripedium calceolus, Cypripedium parviflorum
['gyromitra', 'bannister, banister, balustrade, balusters, handrail', 'nail', 'sea snake', 'green snake, grass snake', 'flatworm, platyhelminth', 'three-toed sloth, ai, Bradypus tridactylus']