Cypripedium arietinum

Noun

1.

Cypripedium arietinum - orchid of northern North America having a brownish-green flower and red-and-white lip suggestive of a ram's head Synonyms: ram's-head, ram's-head lady's slipper

ladies' slipper, lady's slipper, lady-slipper, ram's-head, ram's-head lady's slipper, slipper orchid