cypripedium arietinum

Noun cypripedium arietinum has 1 sense

• cypripedium arietinum(n = noun.plant) ram's-head, ram's-head lady's slipper - orchid of northern North America having a brownish-green flower and red-and-white lip suggestive of a ram's head;
is a kind of ladies' slipper, lady's slipper, lady-slipper, slipper orchid