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greater yellow lady's slipper

Scientific Name: Cypripedium parviflorum var. makasin

Family: Orchidaceae

Category: Monocot

Growth: Forb/herb

Duration: Perennial

Other Names: MA (small yellow lady's-slipper), NY (small yellow

       

Yellow Lady's Slipper (Cypripedium parviflorum)

The Yellow Lady's Slipper, scientifically known as Cypripedium parviflorum, is a captivating orchid found in various parts of North America. Its unique flower and intriguing variations make it a fascinating subject for plant enthusiasts.

Considerations for Pets

  • The text mentions the presence of roots with sedative qualities. While not explicitly stated, it's important to be aware of this if pets tend to ingest plant material.

Considerations for Children

  • The text mentions the presence of roots with sedative qualities. While not explicitly stated, it's important to be aware of this if children tend to ingest plant material.

Taxonomy and Nomenclature

  • Scientific Name: Cypripedium parviflorum Salisb.
  • Family: Orchidaceae (Orchid family)
  • Varieties:
    • Cypripedium parviflorum var. parviflorum (Small yellow lady's slipper)
    • Cypripedium parviflorum var. pubescens (Willd.) Knight (Greater yellow lady's slipper)
    • Cypripedium parviflorum var. makasin
  • Synonyms: Cypripedium calceolus var.
  • Common Names: Yellow Lady's Slipper, Greater Yellow Lady's Slipper, Large Yellow Lady's Slipper, Small-flowered Yellow Lady's Slipper, Vermont Ladyslipper.

Distribution and Habitat

  • Found in eastern and central North America.
  • Observed in locations such as Port au Choix, Newfoundland and Labrador, Minnesota, the Great Smoky Mountains (TN, USA), and the Northern Rocky Mountains.
  • Grows in hardwood and mixed forests.

Morphological Characteristics

  • The Greater Yellow Lady's Slipper (C. parviflorum var. pubescens) can grow up to two feet tall.
  • Flowers are irregular, featuring a 1 to 2-inch yellow pouch and long, twisted brownish petals.
  • The Small Yellow Lady's Slipper has fragrant flowers.
  • Small yellow lady's slipper (var. parviflorum) has a lip -1 inch long, flags reddish purple to brown, and 4-6 leaves.

Traditional Uses

  • A root infusion of the Yellow Lady's Slipper has been noted for its sedative qualities.