Cypripedium reginae

Cypripedium reginae, also known as he Showy Lady's-slipper, the Pink-and-white Lady's-slipper, or the Queen's Lady's-slipper, is a rare temperate lady's-slipper orchid native to northern North America. It grows white flowers, with pink labella.

Showy lady's Slipper
Conservation status
Apparently Secure (NatureServe)
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Cypripedioideae
Genus:	Cypripedium
Species:	C. reginae
Binomial name
Cypripedium reginae Walter (1788)
Synonyms
Cypripedium album Aiton (1789) Cypripedium spectabile Salisb. (1791) Cypripedium canadense Michx. (1803) Calceolus reginae (Walter) Nieuwl. (1913)

Cypripedium Reginae Media

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  In a forested fen in Williamstown, Massachusetts

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  XIth International Botanical Congress - Lady's-slipper (Cypripedium reginae) - 6-cent 1969 issue U.S. stamp.

References

• NatureServe (2006), "Cypripedium reginae", NatureServe Explorer: An online encyclopedia of life, Version 6.1., Arlington, Virginia

• Gray's Manual of Botany of the Northern United States, American Book Company, 1889

Other websites

• Minnesota Secretary of State: State Flower Archived 2004-02-26 at the Wayback Machine, accessed January 31, 2004
• US Geological Survey: Showy Lady Slipper, accessed January 31, 2004
• Showy Lady's-slipper: Queen Lady's-slipper(botany.wisc.edu) Archived 2005-11-23 at the Wayback Machine, accessed Nov 19, 2005
• NRCS: USDA Plants Profile: Cypripedium reginae