| fairy-slipper | n. a rare north temperate bog orchid (Calypso bulbosa) bearing a solitary white to pink flower marked with purple at the tip of an erect reddish stalk above one basal leaf. |
| calypso | (n) rare north temperate bog orchid bearing a solitary white to pink flower marked with purple at the tip of an erect reddish stalk above 1 basal leaf, Syn. fairy-slipper, Calypso bulbosa |