Cypripedium acaule

 Vernacular names [edit wikidata 'Cypripedium acaule']

• English: Pink lady's slipper
• مصرى: سيبريديوم اكولى
• azərbaycanca: Gövdəsiz zöhəçiçəyi
• čeština: střevíčník bezlodyžný
• Deutsch: Stängelloser Frauenschuh
• español: Sandalias de la Virgen
• فارسی: کیپریپدیوم اکوله
• français: Cypripède acaule
• русский: Башмачок бесстебельный
• 中文: 粉紅杓蘭

APG IV Classification: Domain: Eukaryota • (unranked): Archaeplastida • Regnum: Plantae • Cladus: Angiosperms • Cladus: monocots • Ordo: Asparagales • Familia: Orchidaceae • Subfamilia: Cypripedioideae • Genus: Cypripedium • Subgenus: Cypripedium subg. Cypripedium • Sectio: Cypripedium sect. Acaulia • Species: Cypripedium acaule Aiton (1789)

Synonyms

Homotypic synonyms Fissipes acaulis (Aiton) Small, Fl. S.E. U.S.: 311 (1903) Heterotypic synonyms Cypripedium hirsutum Mill., Gard. Dict. ed. 8: 3 (1768) Cypripedium humile Salisb., Trans. Linn. Soc. London 1: 79 (1793) Cypripedium acaule f. albiflora E.L.Rand & Redfield, Fl. Mt. Desert Isl.: 154 (1894) Calceolus hirsutus (Mill.) Nieuwl., Amer. Midl. Naturalist 3: 118 (1913) Fissipes hirsuta (Mill.) Farw., Druggists ' Circular 61: 230 (1917) Fissipes acaulis f. lancifolia House, Bull. New York State Mus. Nat. Hist. 219-220: 242 (1920) Cypripedium acaule f. lancifolia House, Bull. New York State Mus. Nat. Hist. 254: 236 (1924) Fissipes hirsuta f. albiflora (E.L.Rand & Redfield) Farw., Pap. Michigan Acad. Sci. 23: 128 (1938) Cypripedium acaule f.biflorum P.M.Br., N. Amer. Native Orchid J. 1: 197 (1995)

Images of the whole plant

• 
  Terra Nova National Park, Newfoundland and Labrador
• 
• 
• 
• 
  East Greenwich, Rhode Island, USA
• 
  Near Québec city, Quebec
• 
  Terra Nova National Park, Newfoundland and Labrador
• 
  Bonnechere Provincial Park, Ontario
• 
  Bonnechere Provincial Park, Ontario
• 
  La Ronge, Saskatchewan
• 
  Indiana Dunes National Lakeshore, Indiana
• 
  Cape Cod National Seashore, Massachusetts
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• 
  Penwood State Park, Connecticut
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  Lake Matoka in Williamsburg, Virginia
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  Cockaponsett State Forest, Connecticut
• 
  USA - Virginia
  Prince William Forest Park

Flowers

• 
  Mount Stewart, Prince Edward Island, Canada
• 
  Nova Scotia, Canada
• 
  Terra Nova National Park, Newfoundland and Labrador
• 
  Port-au-Saumon, Quebec
• 
  Penwood State Park, Connecticut
• 
  Penwood State Park, Connecticut
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  Young flower
• 
• 
• 
  Harwich, Massachusetts (cultivated)
• 
• 
  Mason, New Hampshire

Infructescences

• 
  Cypripedium acaule
• 
  Cypripedium acaule
• 
  Cypripedium acaule
• 
  Cypripedium acaule
• 
  Cypripedium acaule
• 
  Cypripedium acaule

Cypripedium acaule f. albiflora E.L.Rand & Redfield (1894)

Accepted name by KEW: Cypripedium acaule

• 
• 
  Burnt Meadow Mountian, Maine
• 
  Parc provincial Frontenac, Thetford Mines, Québec
• 
  Bolton, Massachusetts, USA.
• 
• 
  Port-au-Saumon, Quebec

Botanical illustrations

• 
  Cypripedium acaule
  plate 192 in:
  The Botanical Magazine
  (Orchidaceae),
  vol. 6,
  (1792)
• 
  Cypripedium acaule
  plate 192 in:
  The Botanical Magazine
  (Orchidaceae),
  vol. 6,
  (1792)

  detail

• 
  Cypripedium acaule
  (as syn.
  Fissipes acaulis)
  page 68 in:
  Homer D. House:
  Wild Flowers of New York
  (Orchidaceae)
  New York (1918)
• 
  Cypripedium acaule
  (as syn.
  Fissipes acaulis)
  page 69 in:
  Homer D. House:
  Wild Flowers of New York
  (Orchidaceae)
  New York (1918)
• 
  Painting by Mary E. Eaton
• 
  Painting by
  Mary Vaux Walcottt

Native distribution areas

Reference: Brummitt, R.K. (2001) TDGW - World Geographical Scheme for Recording Plant Distributions, 2nd Edition Northern America Subarctic America Northwest Territories. Western Canada Alberta, Manitoba, Saskatchewan. Eastern Canada New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward Isle, Québec. North-Central U.S.A. Illinois, Minnesota, Wisconsin. Northeastern U.S.A. Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Islands, Vermont, West Virginia. Southeastern U.S.A. Alabama, Delaware, Georgia, Kentucky, Maryland, North Carolina, South Carolina, Tennessee, Virginia, District of Columbia.

References

Description of taxon

• Aiton, W. (1789) Hortus Kewensis, or, A catalogue of the plants cultivated in the Royal Botanic Garden at Kew. 3: 303.

Selected Bibliography

• Cribb (1997) The Genus Cypripedium Portland, Oregon: Timber Press ("Botanical Magazine Monographs"); Royal Botanical Gardens, Kew. ISBN 0-88192-403-2
• Pridgeon, A.M., Cribb, P.J., Chase, M.W. & Rasmussen, F.N. (eds.) (1999) Genera Orchidacearum Volume 1: General Introduction, Apostasioideae, Cypripedioideae; page 114 ff., Oxford: Oxford University Press. ISBN 0 19 850513 2
  
• Eccarius: (2009) Die Orchideengattung Cypripedium Bürgel, Germany: EchinoMedia Verlag Dr. Kerstin Ramm. ISBN 978-3-937107-19-6

Selected Weblinks

Wikispecies has an entry on: Cypripedium acaule.

• Kew Gardens 'World Checklist' link : Cypripedium acaule
• eMonocot link: Cypripedium acaule
• Tropicos link: Cypripedium acaule
• International Plant Names Index link: Cypripedium acaule
• The Plant List link: Cypripedium acaule