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Cypripedium candidum Muhl. ex Willd.

White lady’s slipper

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassLiliopsidaMonocots (plants with a single seed leaf); includes the lily family
SubclassLiliidaeIncludes lilies, orchids, and many others
OrderAsparagalesA diverse group that includes asparagus
FamilyOrchidaceaeOrchid family
GenusCypripediumLatinization (albeit an incorrect one) of ancient Greek words meaning “Venus’ shoe”
SpeciescandidumFrom Latin for “shining white”

About plant names...

White lady's slipper is an increasingly rare native of North America. Please don't pick them or try to transplant them!

Identification: These small, rare, delicate plants are 4-14″ (10-35 cm) tall, with 2-4 roughly oval-shaped leaves 1¾-6″ (5-15 cm) long. Each stem supports a single white slipper-shaped flower, sometimes with purple markings, 1-4″ (3-11 cm) long. They do not grow in acid soils, but prefer alkaline bogs and fens or meadows, such as those near limestone.

Online References:

Ontario Wildflowers

The Minnesota Department of Natural Resources



The U.S. Forest Service Celebrating Wildflowers site



The Orchid Conservation Coalition


Cypripedium candidum description by Thomas H. Kent, last updated 16 Sep 2023.

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Cypripedium candidum (white lady’s slipper)

5/15/2010 · Garden in the Woods, Framingham, Mass­a­chu­setts · ≈ 9 × 14″ (23 × 35 cm)


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