Cypripedium candidum (Small White Lady’s Slipper)

The conservation status of Cypripedium candidum, the small white lady’s slipper, is currently ranked as S1 (critically imperiled) by the Missouri Natural Heritage Program.

I have one more lady’s slipper we found in May to share. Cypripedium candidum or small white lady’s slipper requires moist and full-sun exposures, such as may be found in wet prairies, meadows, fens and forest edges. The reason for its rare status (likely found on fewer than five locations in the state) is due to habitat disturbance and orchid poachers digging them up for horticultural uses.

A small bunch of small white lady’s slippers

This species can hybridize with C. parviflorum (yellow lady’s slipper) when found in close proximity. This can potentially be a conservation concern in some states, but to my knowledge, there are no close associations between these two species in Missouri.

The habitat where these slippers where found in Shannon County, MO. You will not be able to see them, but I assure you, there are slippers in this photo.

It was wonderful finding this and the other lady’s slippers in the state this year. I’m hoping this one can still be found here far into the future.

The rare Cypripedium candidum

OZB

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