(Calypso bulbosa), terrestrial orchid native to North America and Eurasia, the only species in its genus. It thrives in cool forests and bogs.
A fairy slipper plant bears one flower and one dark-green, crinkled leaf that arises from a rounded corm (swollen stem base). The lip of the purplish-pink flower is pouchlike and bears a number of yellow hairs on the upper surface.
We welcome your comments. Any revisions or updates suggested for this article will be reviewed by our editorial staff. Contact us here.
Regular users of Britannica may notice that this comments feature is less robust than in the past. This is only temporary, while we make the transition to a dramatically new and richer site. The functionality of the system will be restored soon.