Cypripedium parviflorum

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Cypripedium parviflorum
Cypripedium parviflorum var. makasin
Mackinac Island, Michigan
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Cypripedioideae
Tribe: Cypripedieae
Subtribe: Cypripediinae
Genus: Cypripedium
Species: C. parviflorum
Binomial name
Cypripedium parviflorum
  • Cypripedium luteum var. parviflorum (Salisb.) Raf.
  • Criosanthes parviflora (Salisb.) Raf.
  • Calceolus parviflorus (Salisb.) Nieuwl.
  • Cypripedium calceolus var. parviflorum (Salisb.) Fernald
  • Cypripedium hirsutum var. parviflorum (Salisb.) Rolfe
  • Cypripedium bulbosum var. parviflorum (Salisb.) Farw.
  • Cypripedium calceolus subsp. parviflorum (Salisb.) Hultén

Cypripedium parviflorum, commonly known as yellow lady's slipper, moccasin flower,[2] or hairy yellow ladyslipper[3] is a lady's slipper orchid found in North America.[1]


Four varieties are widely recognized:[1]

  • Cypripedium parviflorum var. exiliens Sheviak - Alaska
  • Cypripedium parviflorum var. makasin (Farwell) Sheviak - widely distributed over much of Canada and the northern United States
  • Cypripedium parviflorum var. parviflorum - southern part of the species range, from eastern Nebraska and eastern Oklahoma east to Virginia and New Hampshire
  • Cypripedium parviflorum var. pubescens (Willdenow) O. W. Knight - very widespread across much of United States, Canada, and St. Pierre & Miquelon - treated by many authors as a distinct species, Cypripedium pubescens


  1. ^ a b c Kew World Checklist of Selected Plant Families
  2. ^ Voitk, A & M. (2006) Orchids on the Rock: The Orchids of Newfoundland, Rocky Harbour, NL: Gros Morne Co-operating Association.
  3. ^ Cypripedium parviflorum, Digital Flora of Newfoundland and Labrador

External links[edit]