Cypripedium reginae

Characteristics
Monocots
Cypripedium reginae Walter
Showy Ladys Slipper
forb
10
**
Native EMP (FACW) (NWPL) TN[S1] KY[SX] (State Rank) G4G5 (Global Rank)
Anther Type
Pollinium
Armaments
No
Base Flower Color
Pink; White
Carpel Number/Pistil
1; 3
Duration
Perennial
Fruit Dehiscence
Yes
Fruit Type
Capsule
Fruit Wet/Dry
Dry
General Ecology
Terrestrial
Growth Habit
forb
Inflorescence Position
terminal
Inflorescence Types
solitary; two-flowered
Leaf Arrangement
alternate; subopposite
Leaf Complexity
simple
Leaf Dissection
0
Leaf Duration
deciduous
Leaf Fragrance
No
Leaf Notes
3, 4, 5, 6 leaves per stem
Leaf Petiole Type
sessile
Leaf Type
broadleaf
Leaf Venation
parallel
Leaflet Margins
entire
Leaflet Number
0
Moisture Requirements
Mesic; Hydric
Ovary Position
Inferior
Overall Flower Symmetry
Zygomorphic
Ovules per Carpel
>12
Parent Rock
Chert; Sandstone
Perianth Present
Yes
Petal Fusion
No
Petal Number
3
Pistil Complexity
Compound
Pistil Number
1
Placentation Type
Parietal
Sepal Fusion
No
Soil Composition
Mineral
Soil pH
Acidic; Circumneutral
Stamen Number
2
Tepal Fusion
No
Tepal Number
6
Unconsolidated Rock
No; Yes
Unconsolidated Size Class
Cobble; Gravel
Woody Herbaceous
Herbaceous
Classification
Orchidales
Cypripedium reginae Walter - Showy Ladys Slipper
Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display its name.

Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim
  • Interior River Valleys and Hills
    • Shawnee / Caseyville Hills
  • Mississippi Alluvial Plain
  • Mississippi Valley Loess Plains
Synonyms
Specimens and Distribution

Click on an Accession Number to view additional details about the specimen.

Range of years during which specimens were collected:

Plant Photos
Cypripedium reginae - 13
Cypripedium reginae - Dwayne Estes
Cypripedium reginae - 13
Cypripedium reginae - Dwayne Estes