USDA Forest Service Celebrating Wildflowers

USDA Logo and Forest Service Shield

Beauty of It All

The Ladies

Cypripedium acaule

Cypripedium arietinum

Cypripedium californicum

Cypripedium candidum

Cypripedium fasciculatum

Cypripedium guttatum

Cypripedium kentuckiense

Cypripedium montanum

Cypripedium parviflorum

Cypripedium passerinum

Cypripedium reginae

Meet The Ladies: The Slipper Orchids

Cypripedium reginae: Showy lady's slipper

The showy lady's slipper occurs from the northeastern seaboard west to Minnesota, south to Arkansas in widely scattered colonies. Throughout its entire range, it is listed as threatened or endangered in almost every state where it still exists.

the showy lady's slipper.
Photo by Thomas G. Barnes.

Map of the range of Cypripedium reginae in North America.
Courtesy of Flora of North America.

Cypripedium reginae is a large, multi-stemmed plant with stems up to 35 in. in length and with 3-5 leaves per stem. The mature plant will have 1-3 large flowers. The flower is mostly white with a rosy lip and white petals and sepals.

Cypripedium reginae in its habitat.
Photo by Nevin Aspinwall, Saint Louis University.

Cypripedium reginae grows in hummocky, damp deciduous forests and on rocky outcrops with rich organic soil that may be alkaline or limestone based. Like all other Cypripedium species, requires well-drained soil.

For More Information

U.S. Forest Service
Rangeland Management
Botany Program

1400 Independence Ave., SW, Mailstop Code: 1103
Washington DC 20250-1103

USA.gov logo

Location: http://www.fs.fed.us/wildflowers/beauty/cypripedium/cypripedium_reginae.shtml
Last modified: Tuesday, 24-Jun-2008 21:57:57 EDT