| arethusa | (n) any of several bog orchids of the genus Arethusa having 1 or 2 showy flowers |
| genus arethusa | (n) genus of bog orchids of North America and Japan |
| bog rose | (n) a bog orchid with usually a solitary fragrant magenta pink blossom with a wide gaping corolla; Canada, Syn. Arethusa bulbosa, wild pink, dragon's mouth |