| epipactis | (n) genus of hardy orchids with leafy-bracted racemes of greenish or purplish irregular flowers, Syn. genus Epipactis |
| epipactis helleborine | (n) European orchid with spikes of green and pinkish or purplish flowers |
| stream orchid | (n) orchid growing along streams or ponds of western North America having leafy stems and 1 greenish-brown and pinkish flower in the axil of each upper leaf, Syn. chatterbox, giant helleborine, Epipactis gigantea |