General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Dry Mesic
Soil pH Preferences: Slightly alkaline (7.4 – 7.8)
Moderately alkaline (7.9 – 8.4)
Flowers: Showy
Flower Color: Bi-Color: Yellow Russet
Bloom Size: 4"-5"
Flower Time: Other: The plant flowers the first time after 16 years
Underground structures: Rhizome
Conservation status: Least Concern (LC)

Conservation status:
Conservation status: Least Concern
Common names
  • Yellow Lady's Slipper Orchid
  • Ducks
  • Golden Slipper
  • Noah's Ark
  • Nerve root
  • Pouch flower
  • Indian Shoe
  • Moccasin Flower
Botanical names
  • Accepted: Cypripedium calceolus
  • Synonym: Cypripedium atsmori
  • Synonym: Cypripedium microsaccos

Photo Gallery

Date: c. 1805
illustration by P.J. Redouté from his 'Les Liliacées', vol. 1,

Date: 2012-05-24
Credit ProchyMichal

Date: c. 1913
illustration of Neottia ovata as Listeria ovata (left) and Cyprip

Date: c. 1869
illustration of Cypripedium calceolus from 'English Botany', vol.

Date: c. 1775
paper mosaic by Mary Delany, 1775, from the British Museum's coll

Photo courtesy of: Algirdas
Uploaded by SongofJoy

Date: June
credit: H. Krisp

Photo courtesy of: Bernd Haynold

Photo courtesy of: Manuguf

Photo courtesy of: Orchi

Photo courtesy of: Bernd Haynold

Photo courtesy of: Algirdas

Photo courtesy of: © Jose Maria Escolano

Cypripedium calceolus Carl Axel Magnus Lindman 1826

Date: 2012-08-02
Credit ProchyMichal

Date: 2012-05-24
Credit ProchyMichal
Location: My Garden
Date: 2010-06-02
Uploaded by SongofJoy
Uploaded by SongofJoy
Uploaded by SongofJoy

Photo courtesy of: Bernd Haynold

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