Beauty of It All

USDA Forest Service Celebrating Wildflowers

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	Beauty of It All The Ladies Meet The Ladies: The Slipper Orchids Cypripedium passerinum: Sparrow's egg lady's slipper Sparrow's egg lady's slipper occurs farther north than any other Cypripedium in boreal and sub-arctic regions of Canada and Alaska and south to northern Montana. Photo by Richard Reeves, Native Orchid Conservation Inc. Courtesy of Flora of North America. Photo by of Christiane Neufeld, Native Orchid Conservation Inc. Cypripedium passerinum is a small multi-stemmed species with stems up to 18 inches in height. The mature stem has 3 to 5 leaves and up to 3 flowers. The petals and labellum are white with purple spots which are thought to resemble a sparrow's egg; the dorsal sepal is pale green. Cypripedium passerinum grows in spruce forests in thickets and openings, as well as bogs, tundra, and in coarse soils of terraces and stream banks. For More Information Flora of North America: Cypripedium passerinum
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