Cypripedium arietinum


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Noun1.Cypripedium arietinum - orchid of northern North America having a brownish-green flower and red-and-white lip suggestive of a ram's head
ladies' slipper, lady's slipper, lady-slipper, slipper orchid - any of several chiefly American wildflowers having an inflated pouchlike lip; difficult or impossible to cultivate in the garden