51�Թ�

Like most orchids, Cypripedium wardii doesn’t produce edible pollen.

Pink cypripedium, herbarium, Aeolian, buttercup.

Shop for traditional and rare plants, including eight types of Cypripedium orchids, at the Garden Fair and Plant Sale, sponsored by Friends of the National Arboretum.

Over the centuries, the yellow lady’s slipper orchid has been classified and reclassified, named and renamed, but these days Cypripedium parviflorum is the accepted nomenclature for all North American yellow lady’s slippers.

A panel of botanical experts, the Cypripedium Committee, volunteer to look after and protect the rare flower.