Cypripedium kentuckiense C.F.Reed

Kentucky Lady's Slipper

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Accepted Synonyms: Cypripedium daultonii

Cypripedium kentuckiense, commonly known as Kentucky Lady's Slipper, is found across the southeastern United States, from Virginia to Texas. It has the largest bloom of any in the Cypripedium genus and produces a large cream to pale yellow pouch-like labellum and up to six large stem leaves. Its sepals and petals are greenish yellow, often spotted with red or brown, and twist away from the labellum in spirals. It is most closely related to Cypripedium parviflorum, but can be distinguished by its less brightly colored labellum. It is usually found in deciduous hardwood forests with acidic, well-drained soils, often in isolated patches. In Virginia, it is known to grow in a forested floodplain.

Cypripedium kentuckiense is considered globally vulnerable, due in large part to its limited range and shrinking habitat.


The noctuid moth, Polychrysia morigera and carpenter bees in the genus Xylocopa have been recorded pollinating this orchid.

Ecosystem Type

Forests, woodlands


Leaf arrangement:
Number of leaves on stem:
  • three
  • four
  • five
  • six
Form of the labellum:
the labellum is pouch-like
Labellum outline:
the labellum is simple
Main color of labellum:
  • white
  • yellow
Nectar spur:
Inflorescence type:
the inflorescence has one flower or a pair of flowers
Labellum characteristics:
the labellum is saccate
Labellum length:
45–65 mm
Sepal length:
50–120 mm
Plant height:
35–97 cm
Show All Characteristics

Native to North America


North American Conservation Status & Distribution

Conservation Status

Select a location to view conservation status:

Conservation and Wetland Status
Global Rank Vulnerable
US Status N/A
Canadian Status N/A

North America Distribution

Adapted from USDA data